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astro_exam_4 (3) - 23:30 1....

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23:301.Galaxy A receding from Galaxy B at a velocity of 7500 km/s, from the perspective ofGalaxy B. Hubble's Law says that V=H0 x D.About how far is Galaxy A from Galaxy B? Usea value of 75 km/s/Mpc for Hubble's constant.A) 5000 MpcB) 500,000 MpcC) 50000 MpcD) 100 MpcE) 1000 MpcCorrect Answer(s):DPoints Earned:2.0/2.0
2.Which is the smallest?Points Earned:2.0/2.0
3.A quasar in a galaxy that is merging with another galaxy would bePoints Earned:2.0/2.0
4.Why can't we see back the whole way to the Big Bang?Points Earned:2.0/2.0
5.Which one of the following is TRUE?A) Most elliptical galaxies contain only young stars.B) Most galaxies appear to be approaching the Milky Way Galaxy.C) Irregular galaxies rarely have star formation taking place in them.D) Smaller galaxies called dwarf galaxies tend to be found around larger galaxies like the Milky Way.E) Galaxy collisions destroy most of the stars in the galaxies involved.Correct Answer(s):DPoints Earned:2.0/2.0
6.Which constellation is this?Points Earned:2.0/2.0

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Term
Spring
Professor
Brandt
Tags
Astronomy, Correct Answer

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