AstronomyFinalB

AstronomyFinalB - NAME _ ASTRONOMY FINAL TEST _ 1. ?...

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NAME __________________________________________________________ ASTRONOMY FINAL TEST ___ 1. ? dominates at the cosmic scale. A.the electromagnetic force B.weak force C.strong force D.gravity ___ 2. Thermal Pulses occur in ? A.RR Lyrae Stars B.Asymptotic Giant Branch Stars C.Pulsars D.Planetary Nebulae E.Cepheid Variables ___ 3. The Miller-Urey Experiment concerned the origin of A.the solar system B.planets C.stars D.galaxies E.life ___ 4. The ? of the H-R diagram is occupied by enormous, cool stars with helium-burning shells. A.main sequence B.asymptotic giant branch C.planetary nebula region D.instability strip E.red giant region ___ 5. Pulsating stars are found within the ? of H-R diagrams. A.main sequence B.asymptotic giant branch C.planetary nebula region D.instability strip E.red giant region ___ 6. ? are especially used to find distances to remote galaxies. A.RR Lyrae Stars B.Asymptotic Giant Branch Stars C.Pulsars D.Planetary Nebulae E.Cepheid Variables ___ 7. The most important molecules in the origin of life are A.oxygen B.hydrogen C.phosphorous D.carbon E.helium ___ 8. The Hierarchical Clustering Model, Pancake Model and Explosion Model are theories on the origin of A.stars B.planets C.moons D.galaxies E.life ___ 9. White dwarfs are about the size of A.a city B.the Earth C.a baseball D.white dwarfs have no volume ___ 10. Pair Production, the creation of matter from radiation, occurred relatively ? in the history of the universe. A.early B.late ___ 11. HII regions surround A.white dwarfs B.neutron stars C.black holes D.hot stars E.HII regions may surround any of the above stellar features ___ 12. The ?-process takes place during a supernova explosion. A.r B.s C.both r- and s-processes take place during supernova explosions ___ 13. ? molecules detected in interstellar space are organic. A.no B.some C.most ___ 14. White dwarfs A.stay the same size B.shrink C.expand ___ 15. Blazars are types of A.HI regions B.HII regions C.galaxies D.stars E.planets ___ 16. According to cosmological theory, the universe A.is heterogeneous B.is isotropic C.has different physical laws depending upon position in the universe D.has an edge and center E.all of the above are
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true, according to cosmological theory ___ 17. In the ?, three helium nuclei make each carbon nucleus. A.proton-proton chain B.carbon cycle C.triple  process D.in all of the above three helium nuclei make each carbon nucleus ___ 18. The ? massive main sequence stars have the longest lives. A.least B.most ___ 19. The primary structural units of life are A.adenosine triphosphate B.nucleic acids C.amino acids ___ 20. The final element formed in the core of a star immediately before a supernova explosion is A.oxygen B.neon C.iron D.magnesium E.helium ___ 21. White dwarfs and neutron stars consist of dense spheres of ? gas. A.normal B.degenerate C.white dwarfs are made of normal gas, whereas neutron stars are made of degenerate gas ___ 22. The universe seems to have a complicated and non-uniform structure on smaller scale. According to the
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AstronomyFinalB - NAME _ ASTRONOMY FINAL TEST _ 1. ?...

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