« previous next »

Author Question: It is believed that ring galaxies form a. when two galaxies collide at high speeds. b. when two ... (Read 78 times)

Zoey63294

  • Hero Member
  • *****
  • Posts: 539
on: Jul 27, 2018
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
Reply #1 on: Jul 27, 2018
Answer to Question 1

a

Answer to Question 2

True


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
« previous next »
 

Did you know?

Your skin wrinkles if you stay in the bathtub a long time because the outermost layer of skin (which consists of dead keratin) swells when it absorbs water. It is tightly attached to the skin below it, so it compensates for the increased area by wrinkling. This happens to the hands and feet because they have the thickest layer of dead keratin cells.

Did you know?

The heart is located in the center of the chest, with part of it tipped slightly so that it taps against the left side of the chest.

Did you know?

There used to be a metric calendar, as well as metric clocks. The metric calendar, or "French Republican Calendar" divided the year into 12 months, but each month was divided into three 10-day weeks. Each day had 10 decimal hours. Each hour had 100 decimal minutes. Due to lack of popularity, the metric clocks and calendars were ended in 1795, three years after they had been first marketed.

Did you know?

GI conditions that will keep you out of the U.S. armed services include ulcers, varices, fistulas, esophagitis, gastritis, congenital abnormalities, inflammatory bowel disease, enteritis, colitis, proctitis, duodenal diverticula, malabsorption syndromes, hepatitis, cirrhosis, cysts, abscesses, pancreatitis, polyps, certain hemorrhoids, splenomegaly, hernias, recent abdominal surgery, GI bypass or stomach stapling, and artificial GI openings.

Did you know?

Women are 50% to 75% more likely than men to experience an adverse drug reaction.

Responses to Viewing Form from Motion Responses to Viewing Form from Motion
Instructions for Completing the CMS-1500 (02/12) Claim Form Continued Instructions for Completing the CMS-1500 (02/12) Claim Form Continued
Instructions for Completing the CMS-1500 (02/12) Claim Form Continued Instructions for Completing the CMS-1500 (02/12) Claim Form Continued
Instructions for Completing the CMS-1500 (02/12) Claim Form Continued Instructions for Completing the CMS-1500 (02/12) Claim Form Continued
Classification of Clouds According to Height and Form Classification of Clouds According to Height and Form
How much energy is required to form 141.8 g of Cl2, according to the reaction below? The molar ... How much energy is required to form 141.8 g of Cl2, according to the reaction below? The molar ...
Video: Central Nervous System Animation

For a complete list of videos, visit our video library