Author Question: It is believed that ring galaxies form a. when two galaxies collide at high speeds. b. when two ... (Read 49 times)

Zoey63294

  • Hero Member
  • *****
  • Posts: 539
It is believed that ring galaxies form
 
  a. when two galaxies collide at high speeds.
  b. when two spiral galaxies collide, but not directly head on.
  c. from a large cloud of gas and dust with very little angular momentum.
  d. from a large cloud of gas and dust with a very high angular momentum.
  e. when more than two galaxies collide at the same time.

Question 2

If a star's temperature increases in its interior, then more nuclear reactions will occur to push the star outward and its temperature will drop, causing the star to contract and eventually return to equilibrium.
 
  a. True
  b. False
  Indicate whether the statement is true or false



Christopher

  • Sr. Member
  • ****
  • Posts: 316
Answer to Question 1

a

Answer to Question 2

True



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
 

Did you know?

Alzheimer's disease affects only about 10% of people older than 65 years of age. Most forms of decreased mental function and dementia are caused by disuse (letting the mind get lazy).

Did you know?

Cytomegalovirus affects nearly the same amount of newborns every year as Down syndrome.

Did you know?

In ancient Rome, many of the richer people in the population had lead-induced gout. The reason for this is unclear. Lead poisoning has also been linked to madness.

Did you know?

People about to have surgery must tell their health care providers about all supplements they take.

Did you know?

Asthma cases in Americans are about 75% higher today than they were in 1980.

For a complete list of videos, visit our video library