Stars/Galaxies/Evolution/Quiz

Galaxy evolution is a lecture about a specific theory from astrophysics for the origin and accumulated changes of galaxies. It is an offering from the radiation astronomy department.

You are free to take this quiz based on galaxy evolution at any time.

To improve your score, read and study the lecture, the links contained within, listed under See also, External links, and in the template. This should give you adequate background to get 100 %.

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Enjoy learning by doing!

Quiz
{Yes or No, For the elliptical galaxies, the classification En, where "n=1, 2, ...., 7 indicates the ellipticity of the image without the decimal point. + Yes - No
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{Complete the text: Match up the item letter with each of the possibilities below: Intracluster medium - A Mayall's object - B M82 PAHs - C Milky Way bubbles - D Local Hot Bubble - E Stephan's Quintet - F UGC 8335 - G Arp 272 - H { G (i) } { C (i) }. { F (i) }. { E (i) }. { D (i) }. { A (i) }. { H (i) }. { B (i) }.
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{Yes or No, The formation of exponential disks is an outstanding problem in cosmogony. + Yes - No
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{Complete the text: Yarkovsky–O'Keefe–Radzievskii–Paddack (YORP) { torques|torque (i) } lead many objects to { fission (i) } and then re-accrete.
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{Complete the text: Match up the image with the star-forming regions: Messier 17 - A RCW 79 - B Flame Nebula - C Cone Nebula - D NGC 1999 - E R136 - F HH 46/47 - G RCW 108 - H Carina Nebula - I NGC 3582 - J NGC 1097 - K Hubble-X - L NGC 6334 - M Arp 220 - N Sh 2-106 - O Rho Ophiuchi complex - P Ghost Head Nebula - Q NGC 2366 - R NGC 2363 - S Dragonfish nebula - T { P (i) }. { K (i) }. { Q (i) }. { D (i) }. { S (i) }. { J (i) }. { O (i) }. { G (i) }. { A (i) }. { N (i) }. { I (i) }. { F (i) }. { L (i) }. { C (i) }. { R (i) }. { E (i) } { H (i) }. { B (i) }. { T (i) }. { M (i) }.
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{Yes or No, While fusion may be the primary mechanism by which first generation stars produce energy, repulsion between like nucleons may cause neutron emission from a collapsed core. + Yes - No
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{Which of the following may be true regarding the interacting galaxies of UGC 9618? + the pair of galaxies appear to be interacting rather than a mere galaxy double + a lack of luminous sources at any wavelength in the interaction volume + asymmetry is approximately centered on the interaction volume + a common origin originally between them + the large X-ray output surrounding primarily the more central portion of the edge-on galaxy suggests a very high temperature galactic coronal cloud + the infrared portion of the composite image with ultraviolet strongly suggests that the edge-on galaxy is much cooler in general than the face-on galaxy + orange and yellow astronomy reveal that the edge-on galaxy may be composed of older or cooler stars - VV340A appears to be more than 33 % involved in the interaction
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{True or False, In the evolution of elements much more material has gone into the even-numbered elements than into those which are odd. + TRUE - FALSE
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{Complete the text: Match up the item letter with each of the possibilities below: Einstein ring - A stellar nebula - B Andromeda galaxy - C Triplet galaxies interacting - D Hubble galaxies - E Dark matter halo simulation - F Fairall 9 (Seyfert galaxy in X-rays) - G Tycho Brahe observatory, remotely controlled telescope, captured galaxy - H { C (i) }. { H (i) }. { A (i) }. { G (i) }. { F (i) }. { B (i) }. { E (i) }. { D (i) }.
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{It is important to study the stellar populations of nearby galaxies in order to understand the processes of galaxy { evolution (i) }.
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{ The galaxy image at the right has approximately which type of rotational symmetry?? - one-fold - ⊙ + two-fold - ⊖ - three-fold - ▲ - four-fold - ◈ - five-fold - ✪ - six-fold - ✱
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{True or False, With respect to the core of the Sun, the high-hydrogen, low-iron model was suddenly adopted without opposition. + TRUE - FALSE
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{True or False, Cosmogony is any scientific theory concerning the coming into existence, or origin, of the cosmos or universe, or about how what sentient beings perceive as "reality" came to be. + TRUE - FALSE
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{Nuclear fission and nuclear fusion may be connected by which of the following? + means for concentrating actinide elements and for separating actinide elements from reactor poisons exist + thermonuclear fusion reactions in stars are ignited by nuclear fission energy - dark matter + the feasibility of thermal neutron fission and fast neutron fission in planetary and protostellar matter may be calculated from nuclear reactor theory - brown dwarfs
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{For a few special cases, rotational velocities for protostars have been obtained directly from observations of the outer optically { thin (i) } regions.
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{True or False, The overdense regions having turned into dark population III objects. + TRUE - FALSE
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{Complete the text: In the case of B335, { rotation (i) } is not important in determining the { force (i) } balance in the outer regions, and this object is in fact undergoing { gravitational (i) } collapse.
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{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
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{True or False, The temperature of the cores of stars may be determined by the balance between the gravitational attraction and the gas pressure. + TRUE - FALSE
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{True or False, In cosmogonic schemes involving cold dark matter, there is an equally obvious process that might inhibit galaxy formation in the incipient voids. - TRUE + FALSE
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{Which of the following are likely phenomena associated with population III stars - not enough of them + individual masses must either be less than 0.1 M⊙ - clouds + in the range 103–106 Μ⊙ - too much background light - too much material - heavy elements
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{Complete the text: Match up the item letter with each of the cosmogonic possibilities below: interior models of the giant planets - A high interest for cosmogony, geophysics and nuclear physics - B hierarchical accumulation - C clouds and globular clusters - D cosmic helium abundance - E deuterium fusion - F a large deficiency of light elements - G after galactic sized systems had collapsed - H the motions of hydrogen { D (i) } formation of luminous quasars { H (i) }. stars with an initial mass less than the solar mass { G (i) }. rotating liquid drops { B|F (i) }. primordial is less than 26 per cent { E (i) }. a solar mixture of elements dominated by hydrogen and helium gas { A (i) }. around 13 Jupiter masses { F (i) }. smaller rocky objects { C (i) }.
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{Which phenomenon are associated with cold dark matter? + unseen mass - a bubble in space + range of masses of galaxies - hot neutrinos + Einstein-de-Sitter 'flat' universe + the cosmological density parameter Ω
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{Complete the text: Match up the item letter with each of the possibilities below: E0 - A E1 - B E2 - C E3 - D E4 - E E5 - F E6 - G E7 - H { D (i) }. { C (i) }. { H (i) }. { A (i) }. { G (i) }. { F (i) }. { B (i) }. { E (i) }.
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