Section 16.D Formation of Galaxies Flashcards
1
Q
Recognize what two kinds of stuff have existed in the universe since nearly the beginning of time
A
gas and dark matter.
2
Q
Recognize that the universe started with two kinds of gas.
A
hydrogen &nitrogen
3
Q
Pick the correct reason why further galaxies not only look smaller but ARE smaller
A
We see back in time to when they had
not grown big yet
4
Q
Realize that when galaxies collide, spiral galaxies can be converted into elliptical galaxies with the spiral arms and disk of the galaxy being destroyed, but
A
elliptical galaxies can never be turned into spiral galaxies.
5
Q
Which galaxies have a younger appearance? Those which are closer to us? Or those which are at the farthest distances?
A
Furthest?
