User:Marshallsumter/Radiation astronomy1/Greens/Quiz

Green astronomy is a lecture from the radiation astronomy department for the course on the principles of radiation astronomy.

You are free to take this quiz based on green radiation astronomy.

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

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

{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, 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
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{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
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{For web colors the RGB decimal code (0 255 0) is what color? { lime (i) }
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{True or False, In hexadecimal code, a hex triplet, #008000 or 00 80 00 is green. + TRUE - FALSE
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{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
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{Green earth is a natural pigment composed of what likely source of green? { magnesium (i) }
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{True or False, There are green or green mineral containing meteorites. + TRUE - FALSE
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{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
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{Which of the following is not a phenomenon associated with a comet? - airglow - elongated dust particles - high albedo - olivine - Rayleighs + coronal mass ejection
 * type=""}

{With respect to protoplanetary disks what green mineral has been found? { olivine (i) }
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{True or False, A green light coming from a nebula may be due to oxygen illuminated by a stellar wind. + TRUE - FALSE
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{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) }
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{True or False, Bremsstrahlung radiation may be a source of the green continuum. + TRUE - FALSE
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{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
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{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) }
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{True or False, The striking absence of green emission above both polar regions at activity minimum is likely due to iron deficiency. - TRUE + FALSE
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{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) }
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{True or False, Stars of spectral classes F and G, such as our sun, have color temperatures that make them look "greenish". - TRUE + FALSE
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{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="[]"}

{McDonald Observatory is located in. { Texas|Austin, Texas|USA (i) }
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{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
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{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
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{"Carroll et al. (1976) detected a number of coincidences between laboratory lines of FeH and weak unidentified what? { solar lines (i) }
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{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
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{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
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{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) }
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{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
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{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
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{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
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{True or False, The zodiacal light has components in the green that are linearly polarized. + TRUE - FALSE
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{True or False, There are clear trends in the significant day-to-day and month-to-month changes in the zodiacal light. - TRUE + FALSE
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{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
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{True or False, A principle is a law or rule that has to be followed. - TRUE + FALSE
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{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
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{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
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{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
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{True or False, Telluric mercury lines are light polution lines occurring in the Martian atmosphere. - TRUE + FALSE
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{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
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{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=""}

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

{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, 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="[]"}

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

{True or False, Green Bremsstrahlung radiation is not detected from the Sun because the photosphere isn't ionized enough to produce it. - TRUE + FALSE
 * type=""}

{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
 * type="[]"}

{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
 * type="[]"}

{True or False, The Mars Exploration Rover uses its green filter to take panoramic mosaics. + TRUE - FALSE
 * type=""}

{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%.
 * type=""}

{During the late 1600s the sunspot cycle lost its usual intensity and became what? { Maunder Minimum (i) }
 * type="{}"}

{True or False, Naked sunspots seen in Hβ which are devoid of plage are never associated with coronal holes. - TRUE + FALSE
 * type=""}

{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: "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
 * type=""}

{When close binary stars are present, what characteristics are readily observed? + iron XIV green line + facular excess brightness + starspots + magnetic poles + flares - neon clouds
 * type="[]"}

{The population of coronal loops can be directly linked with the? { solar cycle (i) }
 * type="{}"}

{True or False, Coronal loops project into the coronal cloud, through the transition region and the chromosphere. + TRUE - FALSE
 * type=""}

{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
 * type=""}

{Astronauts onboard the International Space Station used a Nikon digital camera to take pictures of what green astronomy phenomenon? { airglow (i) }
 * type="{}"}

{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
 * type=""}

{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
 * 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="{}"}

{Yes or No, Oxygen emissions can be green or brownish-red depending on the amount of energy absorbed. + Yes - No
 * type=""}

Hypotheses

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