The traditional top-down hypothesis states that the galaxy formed ...

[Kthamas]

The traditional top-down hypothesis states that the galaxy formed
 
  a. from a large spherical cloud of gas that was rotating very slowly.
  b. from a large cloud of material that broke off a larger galaxy.
  c. from material that had been ejected in the violent explosion of a dying galaxy.
  d. as a result of mergers between several smaller groups of gas, dust, and stars.
  e. as two massive galaxies collided.

Question 2

The visual pink glow of the Great Nebula in Orion
 
  a. is a Herbig-Haro object.
  b. is a reflection nebula of dust.
  c. is an emission nebula of thin gas.
  d. contains only young low mass stars.
  e. is believed to be about 5 billion years old.

[tmlewis4706]

Answer to Question 1

a

Answer to Question 2

c

[Kthamas]

Thanks for the timely response, appreciate it

[tanna.moeller]

Gracias!