User:Marshallsumter/Radiation astronomy/Colors/Quiz

Color astronomy is a lecture as part of the radiation astronomy course development of principles of radiation astronomy.

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Quiz
{Which of the following are or likely to be relatively common red minerals? + crocoite + rhodolite + cinnabar + hematite + eudialyte
 * type="[]"}

{True or False, MACHO is a general name for any kind of astronomical body that might explain the apparent presence of dark matter in galaxy halos. + TRUE - FALSE
 * type=""}

{Soil samples from the mare of the Moon reflect primarily cyan due to the presence in the soils of what? { TiO2|TiO2 (i) }
 * type="{}"}

{Historically, orange astronomy is not known for which of the following? - Alpha Centauri B - Epsilon Eridani + Saturn - K spectral type stars - the Bayer designation for a star - the Indian city of Pondicherry in December 1689
 * type=""}

{True or False, Neon has an emission line in the blue. + TRUE - FALSE
 * type=""}

{Complete the text: Match up the violet or violet containing image with the object letter: Sun - A Venus - B Earth - C Moon - D Mars - E Jupiter - F Ganymede - G Io - H Saturn - I Dione - J Titan - K Uranus - L Ariel - M Miranda - N Triton - O Eta Carinae - P NGC 5584 - Q { N (i) }. { K (i) }. { O (i) }. { J (i) }. { I (i) }. { E (i) }. { Q (i) }. { F (i) }. { P (i) }. { B (i) }. { H (i) }. { L (i) }. { D (i) }. { G (i) } { C (i) }. { A (i) }. { M (i) }.
 * type="{}"}

{True or False, Beryllium has an emission line in the cyan. - TRUE + FALSE
 * type=""}

{Which of the following are green radiation astronomy phenomena associated with the Sun? + the color of the upper rim as seen from Earth + an excess brightness at or near the edge of the Sun + the iron XIV green line - neutron emission + polar coronal holes - meteor emission + changes in the line-blanketing
 * type="[]"}

{True or False, The Hubble Space Telescope currently uses the Wide Field Planetary Camera (PC-2) with its F492M filter among others for green astronomy. - TRUE + FALSE
 * type=""}

{Which orange astronomy phenomena are associated with globular clusters? + a yellow-orange filter (F606W) + many older K-type stars - spherical collection of stars - orbit the cores of galaxies - some of the more ancient stars
 * type="[]"}

{True or False, Of some 824 red giant stars, lithium is detected in several stars. + TRUE - FALSE
 * type=""}

{One of the substances discovered in the tail of Halley's comet by spectroscopic analysis is the toxic gas { cyanogen (i) }
 * type="{}"}

{Yes or No, Violet astronomy is the radiation astronomy over the wavelength band 380-450 nm. + Yes - No
 * type=""}

{Which of the following is not a characteristic of green astronomy? + boron - wavelength range of 495-570 nm - chlorophyll - greenstones - phytoplankton
 * type=""}

{True or False, Fluorine has an emission line in the blue. + TRUE - FALSE
 * type=""}

{Which of the following are radiation astronomy phenomena associated with the rocky-object Io? + surface regions reflecting or emitting violet or purple - an excess brightness at or near the edge + red regions that may be phosphorus - neutron emission - polar coronal holes + meteor emission - rotation
 * type="[]"}

{True or False, Boron has an emission line in the blue. + TRUE - FALSE
 * type=""}

{Why is much of the surface of Mars covered with red iron oxide dust when the rocks that compose much of its surface are blue or violet? - Mars has been systematically bombarded with small iron-nickel meteorites or micrometeorites that oxidize in its atmosphere - Mars has been frequently bombarded with hematite containing micrometeorites - asteroid impacts on Mars may have forced iron from near its core into the atmosphere and onto the surface as hematite dust that oxidized - Mars is like Earth in surface hematite composition, but Earth has much more water + precipitation from iron-rich water
 * type=""}

{True or False, The orange portion of the visible spectrum is from 590 to 620 nm in wavelength. + TRUE - FALSE
 * type=""}

{Which of the following are phenomena associated with the orange system? + titanium + yttrium - navels + a number of emission lines very close together - many impact craters on Io + ScO
 * type="[]"}

{True or False, Hydrogen has an emission line in the yellow. - TRUE + FALSE
 * type=""}

{Before the current era and perhaps before 6,000 b2k which classical planet may have been green? { Osiris|Saturn (i) }
 * type="{}"}

{True or False, Fluorine has a number of lines in the orange. + TRUE - FALSE
 * type=""}

{Which of the following is not a prominent feature associated with the yellowness response? - M cone cells - a green light source + L cones - "bluish green" 493-498 nm - "yellowish green" 530-559 nm - "yellow green" 559-570 nm
 * type=""}

{True or False, To date, all of the reported hypervelocity stars (HVSs), which are believed to be ejected from the Galactic center, are blue. + TRUE - FALSE
 * type=""}

{Which of the following is not a phenomenon associated with violet astronomy? - photographs of the planet Venus taken in 1927 - the purple haze within a few arcseconds of the central star of the Homunculus - the faintness of carbon stars - the stellar abundance of aluminum - adaptive optics + the helium beta line
 * type=""}

{True or False, The Hβ emission line does not appear when the F492M filter is used on the Hubble Space Telescope because its wavelength is 486.1 nm. - TRUE + FALSE
 * type=""}

{Complete the text: Match up the radiation letter with each of the detector possibilities below: Optical rays - L Visual rays - M Violet rays - N Blue rays - O Cyan rays - P Green rays - Q Yellow rays - R Orange rays - S Red rays - T multialkali (Na-K-Sb-Cs) photocathode materials { L (i) }. F547M { Q (i) }. F675W { T (i) }. broad-band filter centered at 404 nm { N (i) }. F588N { R (i) }. thallium bromide (TlBr) crystals { O (i) }. F606W { S (i) }. 18 micrometers FWHM at 490 nm { P (i) }. wide-gap II-VI semiconductor ZnO doped with Co2+ (Zn1-xCoxO) { M (i) }.
 * type="{}"}

{True or False, Carbon has an emission line in the blue. + TRUE - FALSE
 * type=""}

{Alpha Centauri A as a star has what green astronomy property? - it's a primordial population III star - it passes once a year across the Lockman Hole - silicates have been discovered in its interior structure + it has a surface temperature of 5790 K - optical reflectance studies have found evidence of magnesium - it has a surface temperature of ~700 K
 * type=""}

{Light at the extreme red end of the visible spectrum, between red and infra-red light is called { far-red (i) } light.
 * type="{}"}

{True or False, An aurora seen from Australia may be a first blue radiation source. + TRUE - FALSE
 * type=""}

{Which of the following are the differences between a star and an astronomical yellow source? + a star may emit predominantly green rays - an astronomical yellow source is spherical - a yellow star is an astronomical yellow source + a star with nuclear fusion in its chromosphere emits neutrinos, but a yellow source with no nuclear fusion ongoing does not + a yellow source may be cloud like + an astronomical yellow source my be a rocky object
 * type="[]"}

{Yes or No, In 1926 there were no national observatories (except the Naval Observatory), very little chance for guest observing elsewhere, no radio astronomy, no X-ray astronomy, no satellite astronomy, and very little infrared or even red astronomy! + Yes - No
 * type=""}

{Complete the text: Capella B has a surface temperature of approximately { 5700 K (i) }, is spectral type { G0 III|G0III (i) }, has an orbital period with Capella A of about { 104 d|104.0217 d (i) }, and is a { RS Canum Venaticorum|RS CVn (i) } variable.
 * type="{}"}

{True or False, The XRS aboard the MESSENGER spacecraft maps mineral composition. + TRUE - FALSE
 * type=""}

{Tarapacaite is a natural mineral pigment composed of what likely source of yellow? { chromate|potassium chromate (i) }
 * type="{}"}

{Purpurite is a natural mineral pigment composed of what likely source of violet or purple? { manganese|manganese oxide (i) }
 * type="{}"}

{True or False, Any small luminous green dot appearing in the cloudless portion of the night sky, especially with a fixed location relative to other such dots is most likely to be an active galactic nucleus. - TRUE + FALSE
 * type=""}

{When ionization cones are present, what green characteristics are usually readily observed? + O III green emission line + green continua + biconical structure + a common cone axis and apex + ionized gas - neon clouds
 * type="[]"}

{True or False, Nitrogen has an emission line in the blue. + TRUE - FALSE
 * type=""}

{Which of the following are radiation astronomy phenomena associated with the gaseous-object Neptune? - Voyager 2 + blue rays + clouds - neutron emission - polar coronal holes + meteor emission - rotation
 * type="[]"}

{Red-giant stars have (or theoretically may have) these in common: + potential 22Ne + helium-burning shells + non-standard neutrino losses + Lithium red line + N stars display F abundances up to 30 times the solar system value + RGB and AGB stars + a radius between 200 and 800 times that of the Sun
 * type="[]"}

{True or False, Any small luminous blue dot appearing in the cloudless portion of the night sky, especially with a fixed location relative to other such dots is most likely to be an active galactic nucleus. - TRUE + FALSE
 * type=""}

{For web colors the RGB decimal code (0 255 0) is what color? { lime (i) }
 * type="{}"}

{True or False, Cosmological redshift is seen due to the expansion of the universe, and sufficiently distant light sources (generally more than a few million light years away) show redshift corresponding to the rate of increase of their distance from Earth. + TRUE - FALSE
 * type=""}

{Complete the text: Match up the radiation type with the satellite: meteor - A cosmic ray - B neutral atoms - C neutron - D proton - E electron - F positron - G neutrino - H gamma ray - I X-ray - J ultraviolet - K optical - L visual - M violet - N blue - O cyan - P green - Q yellow - R orange - S red - T infrared - U submillimeter - V microwave - W radio - X radar - Y superluminal - Z { M (i) }. { X (i) }. { J (i) }. { Z (i) }. { N (i) }. { I (i) }. { Y (i) }. { H (i) }. { C (i) }. { P (i) }. { E (i) }. { W (i) }. { O (i) }. { A (i) }. { Q (i) }. { G (i) }. { K (i) }. { V (i) }. { D (i) }. { U (i) }. { R (i) }. { F (i) } { S (i) }. { B (i) }. { T (i) }. { L (i) }.
 * type="{}"}

{Complete the text: Match up the item letter with each of the possibilities below: superluminals - A radios - B radars - C microwaves - D submillimeters - E infrareds - F reds - G oranges - H deuterium enrichment of cometary water { F (i) } interstellar-comet connection { B (i) }. a macroscopic superstring { A (i) }. force of life { H (i) }. rings of Saturn { C (i) }. volcanic activity throughout Vesta { G (i) }. a silicon composite bolometer fed by a Winston cone { E (i) }. present-day fluctuations an order of magnitude larger { D (i) }.
 * type="{}"}

{True or False, In hexadecimal code, a hex triplet, #008000 or 00 80 00 is green. + TRUE - FALSE
 * type=""}

{Which of the following is not a prominent feature associated with the greenness response? - M cone cells - a green light source + L cones - "bluish green" 493-498 nm - "yellowish green" 530-559 nm - "yellow green" 559-570 nm
 * type=""}

{Green earth is a natural pigment composed of what likely source of green? { magnesium (i) }
 * type="{}"}

{True or False, The planet Saturn exhibits a pale yellow hue due to ammonia crystals in its upper atmosphere. + TRUE - FALSE
 * type=""}

{Which of the following are associated with lunar red glasses? + produced in a volcanic fire-fountain + composed of three chemical groups - lthe presence of crocoite + the most Mg-rich group (A) was produced by partial melting of Ti-rich cumulates at a depth of about 480 km + derived from a magma by fractional crystallization
 * type="[]"}

{True or False, In 1866, after the new observatory had been completed, Schjellerup assembled a catalog of red stars. + TRUE - FALSE
 * type=""}

{The extent of the Hα absorption trough along the major axes of quenched spirals is what? + more truncated than the distribution of the Hα emission line for H I deficient galaxies - contributed to by the new stellar population - less truncated than the distribution of the Hα emission line for H I deficient galaxies - due to the quenching - disks building up from the outside in
 * type=""}

{Complete the text: Match up the radiation object with the likely source: - L - M - N - O - P - Q - R - S - T a Craters of the Moon volcano { L (i) }. violet image of Venus { Q (i) }. active galactic nuclear region of NGC 5728 { T (i) }. cosmic-ray bombardment of the Moon's surface { N (i) }. blue lights from Io { R (i) }. neutrino profile of the solar octant { O (i) }. planetary nebula NGC 7048 { S (i) }. ultraviolet image of the Earth { P (i) }. a neutron star in a binary system { M (i) }.
 * type="{}"}

{True or False, There are green or green mineral containing meteorites. + TRUE - FALSE
 * type=""}

{Which of the following is not a phenomenon usually associated with solar wanderers? - green aurora - oxygen + production of 7Be - carbon or C2 - airglow - nitrogen - olivine
 * type=""}

{Complete the text: "In the green, the { polarization (i) } of the pure { silicate (i) } composition qualitatively appears a better { fit (i) } to the shape of the observed polarization curves."
 * type="{}"}

{True or False, The silicates used to model the cometary coma dust are olivene (Mg-rich is green) and the pyroxene, asbestos. - TRUE + FALSE
 * type=""}

{Which of the following is not a phenomenon associated with a comet? - airglow - elongated dust particles - high albedo - olivine - Rayleighs + coronal mass ejection
 * type=""}

{True or False, The V 2 rocket was first used as a sounding rocket for yellow astronomy before being converted to a weapon. - TRUE + FALSE
 * type=""}

{Using the equation $$\frac{c2}{\lambda T}\frac{1}{ e^{\frac{c2}{\lambda T}} - 1}e^{\frac{c2}{\lambda T}} - 5 = 0$$ what temperature corresponds approximately to a Planckian peak wavelength of 476 nm (Use c2 = 1.438833 cm K.)? - 6440 K + 6300 K - 5170 K - 6100 K - 5870 K - 6250 K
 * type=""}

{True or False, Oxygen has an emission line in the blue. + TRUE - FALSE
 * type=""}

{With respect to protoplanetary disks what green mineral has been found? { olivine (i) }
 * type="{}"}

{Which of the following are theoretical radiation astronomy phenomena associated with the Earth? - a core which emits neutrinos - a charged particle wind which emanates out the polar ionosphere holes + gravity + near the barycenter for the Earth-Moon system + the swirls of tan, green, blue, and white are most likely sediment in the water - coronal clouds + chlorophyll-containing phytoplankton aloft in the upper atmosphere
 * type="[]"}

{True or False, A green light coming from a nebula may be due to oxygen illuminated by a stellar wind. + TRUE - FALSE
 * type=""}

{Using the equation $$\frac{c2}{\lambda T}\frac{1}{ e^{\frac{c2}{\lambda T}} - 1}e^{\frac{c2}{\lambda T}} - 5 = 0$$ what temperature corresponds approximately to a Planckian peak wavelength of 580 nm? - 5140 K - 5800 K + 5170 K - 6000 K - 5870 K - 5250 K
 * type=""}

{Which of the following emission/absorption phenomena are associated with green astronomy? + Helium lines at 501 and 505 nm + the strong C2 (1,2) band + nitrogen emission in plasmas at 566.934 nm from N VIII - Helium emission line at 5876 Å + neutral iron line at 526.96 nm + Calcium yellow line at 569.4 nm
 * type="[]"}

{Green astronomy observation is performed all around the surface of the Earth by? { location (i) }
 * type="{}"}

{True or False, Bremsstrahlung radiation may be a source of the green continuum. + TRUE - FALSE
 * type=""}

{Which of the following are phenomena usually associated with fluorine emission? + fluorine emission lines in the green are relatively weak + fluorine lines in the near infrared are usually much stronger than the green lines + F I has lines in the green + F II has lines in the green + F III has at least one line in the green - the Fraunhofer E line
 * type="[]"}

{The chromium +1 ion has an emission line often observed in solar what? { limb faculae (i) }
 * type="{}"}

{True or False, Ground-based observations around the solar limb of the Fe 530.3 line vary greatly among themselves. + TRUE - FALSE
 * type=""}

{Which of the following are likely associated with a green emission line control group? - rocky objects + high peak to background + plasma objects + a G2V photosphere - rotation - watery surface - spots
 * type="[]"}

{An emission line occurring in the solar corona at 511.603 nm is likely to be from what? { nickel|Ni|Ni XIII|nickel XIII (i) }
 * type="{}"}

{Which of the following are minerals that can readily or often occur orange, or yellow-orange in color? + orpiment + crocoite - malachite + realgar - magnetite + calcite
 * type="[]"}

{True or False, The striking absence of green emission above both polar regions at activity minimum is likely due to iron deficiency. - TRUE + FALSE
 * type=""}

{Which of the following are characteristic of solar green astronomy? + limb faculae + polar coronal holes + black body temperature of the photosphere - the electron neutrino + iron (Fe XIV) green line - neutrons
 * type="[]"}

{Venus at times shows the oxygen green line emission with an intensity equal to what? { terrestrial values|Earth values|Earth's|Earth|terrestrial green line (i) }
 * type="{}"}

{True or False, Airglow is the emission of light by atoms and molecules in the upper atmosphere after they are excited by X-ray radiation. - TRUE + FALSE
 * type=""}

{Which geographical phenomena are associated with Iapetus? + dark territory of Cassini Regio - manifesting intense magnetic fields + equatorial ridge that bisects Cassini Regio + global "color dichotomy" + global brightness dichotomy + different color hues + leading vs. the trailing side color hues
 * type="[]"}

{A fine spray of small, icy particles detected in green light is emanating from what surrounding, warm, geologically unique province of Enceladus? { the south pole|south pole (i) }
 * type="{}"}

{True or False, A plume of water ice particles emanating from Enceladus is reaching altitudes as high as 400 km above the surface. + TRUE - FALSE
 * type=""}

{Phenomena associated with the green vapor above Io are? + collisions with energetic charged particles + Jupiter's magnetic field + aurora-like behavior - dense plumes of volcanic vapor + Galileo spacecraft + Io is in eclipse
 * type="[]"}

{The Na I green lines at 568.2 and 568.8 nm arise in the what? { photospheric layers|photosphere (i) }
 * type="{}"}

{True or False, Stars of spectral classes F and G, such as our sun, have color temperatures that make them look "greenish". - TRUE + FALSE
 * type=""}

{Which of the following are green observatories in orbit around the Earth? - Chandra X-ray Observatory - Big Bear - TRACE - Kodaikanal + the Hubble - Lomnický štít - McMath-Pierce - SOFIA + Rosetta
 * type="[]"}

{True or False, The orange color of the Namib Desert develops over time as iron in the sand is oxidized. + TRUE - FALSE
 * type=""}

{McDonald Observatory is located in. { Texas|Austin, Texas|USA (i) }
 * type="{}"}

{True or False, Some observed properties of the Sun still defy explanation, such as the degree of Li depletion: the solar Li abundance is roughly a factor of 200 below the meteoritic abundance. This has been confirmed using the lithium 555.2 nm line. - TRUE + FALSE
 * type=""}

{Which of the following are associated with the McMath-Pierce Solar Telescope? - a launch location + Fabry-Perot interferometer + a heliostat + a distinctive diagonal shaft that continues underground + a theoretical resolution of 0.07" - NOAA designations
 * type="[]"}

{Complete the text: Methane possesses prominent { absorption bands|absorption (i) } in the visible and near-infrared (IR) making { Uranus (i) } aquamarine or { cyan (i) } in color.
 * type="{}"}

{"Carroll et al. (1976) detected a number of coincidences between laboratory lines of FeH and weak unidentified what? { solar lines (i) }
 * type="{}"}

{True or False, The pale green patterns tinting the water along the Namibian coast in late February 2012 indicated high concentrations of sulfur. + TRUE - FALSE
 * type=""}

{The auroral green line at 557.7 nm has been suggested as originating from which of the following elemental emission lines? + solid nitrogen + mixtures of oxygen and helium + pure helium + pure oxygen + neon and oxygen mixtures + mercury + iron
 * type="[]"}

{What are pale green when viewed through the water of the Persian Gulf fringing the shoreline and islands of the UAE in a Landsat image? { coral reefs (i) }
 * type="{}"}

{True or False, From a satellite's vantage point, the wash of green that appears across the forests of the eastern United States is one of the most noticeable signs of winter's passing. + TRUE - FALSE
 * type=""}

{Which of the following strongly influence phytoplankton blooms in the northern Arabian Sea? + seasonal wind shifts + the monsoon + southwesterly winds - large-scale ocean circulation + northeast winds in winter - landlocked to the north
 * type="[]"}

{What underwater events are the milky green swirls in the Atlantic Ocean off the coast of El Hierro due to? { volcanic eruptions|steaming lava fragments|bits of rock|heated gas|other debris (i) }
 * type="{}"}

{True or False, The Mauna Kea Observatories are used for scientific research across the electromagnetic spectrum from visible light to radio, and comprise the largest such facility in the world. + TRUE - FALSE
 * type=""}

{Which of the following are associated with greenstone belts? + metamorphosed mafic sequences + ultramafic volcanic sequences + Archaean and Proterozoic cratons + chlorite - Humphreys series - Rydberg series + green hue of metamorphic minerals
 * type="[]"}

{True or False, The O I 557.7 nm line occurs in some meteor wake spectra generally confined to the height interval of 80 - 90 km. - TRUE + FALSE
 * type=""}

{Which of the following phenomena are associated with earthshine? + reflected earthlight + the Moon's night side - the tachocline + a test of vegetation - the Pacific Ocean + ashen light
 * type="[]"}

{True or False, The zodiacal light has components in the green that are linearly polarized. + TRUE - FALSE
 * type=""}

{Which of the following are characteristic of interstellar extinction? + redder color indices - closer stars more affected + color excess + observed color index minus intrinsic color index - red shift - blue shift
 * type="[]"}

{True or False, There are clear trends in the significant day-to-day and month-to-month changes in the zodiacal light. - TRUE + FALSE
 * type=""}

{Which of the following is not a characteristic of radiation? - throwing a beam - a stream of charged or neutral particles + the process of calculating the energy of a beam - sending out a traveling ray - a secondary hazard
 * type=""}

{True or False, A principle is a law or rule that has to be followed. - TRUE + FALSE
 * type=""}

{Using the equation $$\frac{c2}{\lambda T}\frac{1}{ e^{\frac{c2}{\lambda T}} - 1}e^{\frac{c2}{\lambda T}} - 5 = 0$$ what temperature corresponds approximately to a Planckian peak wavelength of 510 nm? - 5700 K - 5800 K - 5900 K - 6000 K - 5870 K + 5880 K
 * type=""}

{True or False, In the first derivative of Planck's equation to generate a wavelength, temperature pair like (495 nm, 6100 K), the constant c2 has units of nm K. - TRUE + FALSE
 * type=""}

{If Osiris in ancient Egyptian mythology/observational astronomy corresponds to Saturn, and Horus is the son of Osiris, what classical planet does Horus correspond to? - the green planet - Mercury - Mars - Uranus - Venus + Jupiter
 * type=""}

{A cyan color can result from a freshly excavated high-Ti? { basalt (i) }
 * type="{}"}

{True or False, Telluric mercury lines are light polution lines occurring in the Martian atmosphere. - TRUE + FALSE
 * type=""}

{Which of the following are characteristic of the telluric mercury green line? + 546.1 nm + light pollution at the Calar Alto observatory - a decay product of uranium + mercury vapour lamps + tropospheric scattering + y-band of the ubvy Strömgren photometric system
 * type="[]"}

{True or False, Green radiation bursts are the most luminous electromagnetic events known to occur in the universe. - TRUE + FALSE
 * type=""}

{Which of the following is not a phenomenon associated with optical green astronomy? - actuators may be a part of active optics + the Spitzer satellite is the first device in space ever to detect optical green bursts - the Moon - an emission with a wavelength of 520 nm - adaptive optics - airglow emissions
 * type=""}

{Yes or No, Boron has an emission line in the yellow. - Yes + No
 * type=""}

{Cyanogen is a natural poisonous gas composed of what likely source of cyan? { CN|cyanide (i) }
 * type="{}"}

{True or False, The rocky surface of the planet Venus can be detected when Venus is observed using green astronomy. - TRUE + FALSE
 * type=""}

{Complete the text: A filter of type F588N allows the transmission of { yellow (i) } rays.
 * type="{}"}

{Which of the following is not a phenomenon associated with green astronomy? - photographs of the planet Venus taken in 1999 - Alpha Centauri A - ionization cones - a moderately intense aluminum line at 5593.302 Å - a xenon emission line at 541.915 nm + the lithium beta line
 * type=""}

{True or False, The dark green filter improves imaging of cloud patterns on Venus. + TRUE - FALSE
 * type=""}

{Which of the following are theoretical radiation astronomy phenomena associated with a satellite in orbit around the Earth? + background radiation - a charged particle wind which emanates out of a beam line + gravity + near the barycenter for the Earth-Moon system - swirls of tan, green, blue, and white in the water + electric arcs + chlorophyll-containing phytoplankton aloft in the upper atmosphere
 * type="[]"}

{Observations of comets have benefited greatly from what phenomena of green astronomy? + elongated dust particles + the Rosetta spacecraft + O (1S) metastable line - methane possesses prominent absorption bands in the visible + airglow - the light of the neutral CN-radical
 * type="[]"}

{True or False, Ultraviolet radiation from young massive stars carves and heats the surfaces of cold hydrogen gas clouds. The warmed surfaces glow orange and red. + TRUE - FALSE
 * type=""}

{Which of the following is a phenomenon associated with yellow astronomy? - Jupiter + sodium line emission - sunspots on the Sun - an emission with a wavelength of 420 nm - phosphorus - TiO
 * type=""}

{The atmosphere of Titan which has a natural orange color is composed largely of? { nitrogen (i) }
 * type="{}"}

{True or False, Olivine is a silicate mineral that may be detected in cometary coma dust with green astronomy. + TRUE - FALSE
 * type=""}

{Which of the following is a phenomenon associated with nebulae? + green light + oxygen line emission + 297.2 nm line + aboard HST the use of the PC-2 and F547M - phosphorus - TiO
 * type="[]"}

{True or False, The red shift cannot affect green stars. - TRUE + FALSE
 * type=""}

{Which of the following is not a phenomenon associated with green astronomy? - a stellar class G dwarf - the hydrogen Balmer beta line - the photosphere of the Sun + an emission with a wavelength of 618 nm - "ionization cones" + boron ion emission
 * type="[]"}

{True or False, The Earth's atmosphere does not transmit green radiation between 480 and 500 nm in wavelength because of water vapor. - TRUE + FALSE
 * type=""}

{Green astronomy may help to detect what type of astronomical object? + a stellar class G dwarf - the hydrogen Balmer alpha line + the photosphere of the Sun + extrasolar planets + lithium - the CMB
 * type="[]"}

{Yes or No, Boron has an emission line in the cyan. + Yes - No
 * type=""}

{Observations of comets have benefited greatly from what phenomenon of cyan astronomy? - Cherenkov radiation - the electric blue glow of lightning - gas-expansion velocity decreases with increasing heliocentric distance - methane possesses prominent absorption bands in the visible - adaptive optics + the light of the neutral CN-radical
 * type=""}

{Yes or No, Beryllium has an emission line in the blue. + Yes - No
 * type=""}

{Which of the following emission/absorption phenomena are associated with yellow astronomy? + nitrogen emission line at 575.5 nm - the strong C2 (1,2) band - nitrogen emission in plasmas at 566.934 nm from N VIII + helium emission line at 5876 Å - neutral iron line at 526.96 nm + calcium yellow line at 569.4 nm
 * type="[]"}

{True or False, The position of the Sun can be determined directly with the use of green astronomy. - TRUE + FALSE
 * type=""}

{Green astronomy has helped to verify what famous theories? - Cherenkov radiation - the universe consists primarily of perfect vacuum - tachyonic gamma rays + extrasolar planets - warp drive - general relativity + quantum mechanics
 * type="[]"}

{True or False, A green metallic or stony object that is the remains of a meteor is called a meteoroid. - TRUE + FALSE
 * type=""}

{Various green radiation observatories occur at different altitudes and geographic locations due to what effect? - the presence of oceans on the Earth - locally available carving tools + light pollution - most astronomical objects are observed at night - currently dormant volcanoes seldom erupt - human habitation increases near an astronomical observatory
 * type=""}

{True or False, The V 2 rocket was first used as a sounding rocket for green astronomy before being converted to a weapon. - TRUE + FALSE
 * type=""}

{Moldavite is a mineral that may be associated with what green astronomy phenomenon? - predicting the end of the Earth - determine the accuracy of local computers + meteorite impacts - demonstrating that Venus was once a comet - predict when currently dormant volcanoes will erupt + green fireballs
 * type="[]"}

{True or False, The emission of synchrotron light from the Sun may more accurately fit the spectral radiance of the Sun than black body radiation. + TRUE - FALSE
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{ What is the blue-radiation source [hint: planet] in the image at right? { Earth (i) }
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{Which of the following are theoretical radiation astronomy phenomena associated with a laboratory on Earth? + a core which emits neutrinos + a charged particle wind which emanates out of a beam line + gravity + near the barycenter for the Earth-Moon system + swirls of tan, green, blue, and white in the water + electric arcs - chlorophyll-containing phytoplankton aloft in the upper atmosphere
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{True or False, Green Bremsstrahlung radiation is not detected from the Sun because the photosphere isn't ionized enough to produce it. - TRUE + FALSE
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{Which of the following is involved in planetary astronomy more so than planetary science? + the occurrence of green rock types on the surface of rocky objects - the Earth and other rocky objects have a green mineral containing mantle - checking equations about complex systems + the advantages of a 559 nm band pass - digging holes in the surface of the Moon + surface temperatures low enough to produce methane lakes
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{True or False, Lithium has an emission line in the blue. + TRUE - FALSE
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{What green astronomy phenomena are associated with Mars? - it may help with faster-than-light travel + O(1S) lines + ice + polar caps - the Greenwich meridian - it demonstrates that a power law is better than an exponential law
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{True or False, The Mars Exploration Rover uses its green filter to take panoramic mosaics. + TRUE - FALSE
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{Which of the following is not a green characteristic of solar active regions? - iron - green spectral lines are 1.4 % shallower at solar maximum - coronal clouds - spot central meridian passage + a surface coverage of at least 95%.
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{Azurite is a natural pigment composed of what likely source of blue? { copper|copper oxide|copper carbonate|copper hydroxide (i) }
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{During the late 1600s the sunspot cycle lost its usual intensity and became what? { Maunder Minimum (i) }
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{True or False, Naked sunspots seen in Hβ which are devoid of plage are never associated with coronal holes. - TRUE + FALSE
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{Which of the following is not a prominent contributor associated with the bluish color of water on Earth? + the blue sky - chlorophyll - dissolved organic matter - cyanobacteria - decomposition processes from dead organic matter such as plants - highly organic soils
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{The Sun as a star has what green geographical property? - it's a primordial population III star - it passes once a year across the Lockman Hole - silicates have been discovered in its interior structure - optical reflectance studies have found evidence of magnesium - it has a surface temperature of ~700 K + polar coronal holes - it has a longitude and latitude grid system for locating active regions
 * type=""}

{Complete the text: Regarding a blue haze layer near the south polar region of Titan, the difference in color { blue (i) } above and { orange (i) } nearer the { surface (i) } could be due to { particle size (i) } of the haze.
 * type="{}"}

{True or False, Helium has an emission line in the blue. + TRUE - FALSE
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{Complete the text: "In 1999, observations of the Venus { night glow|nightglow (i) } with the { Keck I (i) } telescope showed that the 5577 Å oxygen green line was a { significant (i) } { feature (i) }".
 * type="{}"}

{True or False, The PC-1 F502N is centered at 501.85 nm with a band pass of 2.97 nm. + TRUE - FALSE
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{A terrestrial planet is composed primarily of? { silicate rocks|metals|silicates (i) }
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{Complete the text: Match up the blue object with the possibilities below: Sun - H Mercury - I Venus - J Earth - K Meteorite on Mars - L Pallas - M Comet Holmes - N Europa - O Io - P Saturn - Q Enceladus - R Tethys - S Titan - T Neptune - U Abell 370 - V SN 1987A - W Crab Nebula - X { T (i) }. { H (i) }. { N (i) }. { M (i) }. { S (i) }. { X (i) }. { O (i) }. { J (i) }. { V (i) }. { K (i) }. { R (i) }. { W (i) }. { Q (i) }. { L (i) }. { U (i) }. { I (i) }. { P (i) }.
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{When close binary stars are present, what characteristics are readily observed? + iron XIV green line + facular excess brightness + starspots + magnetic poles + flares - neon clouds
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{The population of coronal loops can be directly linked with the? { solar cycle (i) }
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{True or False, Coronal loops project into the coronal cloud, through the transition region and the chromosphere. + TRUE - FALSE
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{Which of the following is not a prominent contributor associated with a variable star? - star spots - chromospheric activity + rotation - brightness fluctuations - flares - iron XIV green line
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{Astronauts onboard the International Space Station used a Nikon digital camera to take pictures of what green astronomy phenomenon? { airglow (i) }
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{Yes or No, Hydrogen has an emission line in the cyan. + Yes - No
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{Which chemical phenomena are associated with the Earth? + quartz is the second most abundant mineral + an atmosphere containing CO2 + green, red, blue, and yellow airglow + the production and escape of hot H+ ions + oxygen emissions + helium ions
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{True or False, Chemiluminescence caused mainly by oxygen and nitrogen reacting with hydroxyl ions at heights of a few hundred kilometers contributes to airglow. + TRUE - FALSE
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{Which of the following is not a phenomenon usually associated with regions? - a connected part of a space - a tract of green fields + definite extent of a corn field - Capella B - temporal change in green radiation flux - weather
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{Yes or No, Hydrogen has an emission line in the blue. - Yes + No
 * type=""}

{Complete the text: "Auroras result from emissions of { photons (i) } in the Earth's upper { atmosphere (i) }, above 80 km (50 mi), from ionized { nitrogen (i) } atoms regaining an electron, and { oxygen (i) } and { nitrogen (i) } atoms returning from as excited state to { ground (i) } state.
 * type="{}"}

{True or False, Oxygen emissions can be green or brownish-red depending on the amount of energy absorbed. + TRUE - FALSE
 * type=""}

{Complete the text: The swirls of tan, green, blue, and white are most likely { sediment (i) } in the water. Some of the color may come from { phytoplankton (i) }.
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{Phenomena associated with some brown dwarfs are which of the following? + lithium + a temperature well below the stellar range + methane absorption + the lithium test + X-rays + T dwarfs
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Hypotheses

 * 1) Color astronomy studies all the astronomical objects of the Solar System.