Author Question: What observed feature of the Milky Way is better explained by the bottom-up hypothesis of galactic ... (Read 55 times)

lunatika · **on:** Jul 27, 2018

What observed feature of the Milky Way is better explained by the bottom-up hypothesis of galactic formation, as opposed to the monolithic collapse model?

a. The elongated shape of the central bulge of the galaxy
b. The different metallicities of the bulge and disk of the galaxy
c. The difference in age of globular clusters
d. The supermassive black hole found at center of the galaxy
e. The very little gas or dust that halo contains

Question 2

A ball is dropped from the top of a science building. After falling for three seconds, the speed of the ball would be _______________ m/sec.

Fill in the blank(s) with correct word