This topic contains a solution. Click here to go to the answer

Author Question: Which of the following is true of supermassive black holes? A) They are found only in elliptical ... (Read 47 times)

ghost!

  • Hero Member
  • *****
  • Posts: 560
Which of the following is true of supermassive black holes?
 
  A) They are found only in elliptical galaxies.
  B) They are not found in Seyfert galaxies.
  C) They can be triggered into eruptions because of tidal interactions.
  D) They are not affected by tidal interactions between galaxies.

Question 2

Active galaxy is a galaxy:
 
  A) whose center emits large amounts of excess energy.
  B) whose center does not have a black hole.
  C) that is in the process of merging with another galaxy.
  D) that manifests a blueshift instead of a redshift.



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

Pswine

  • Sr. Member
  • ****
  • Posts: 328
Answer to Question 1

C

Answer to Question 2

A




ghost!

  • Member
  • Posts: 560
Reply 2 on: Jul 27, 2018
Wow, this really help


aliotak

  • Member
  • Posts: 326
Reply 3 on: Yesterday
Gracias!

 

Did you know?

Street names for barbiturates include reds, red devils, yellow jackets, blue heavens, Christmas trees, and rainbows. They are commonly referred to as downers.

Did you know?

Stroke kills people from all ethnic backgrounds, but the people at highest risk for fatal strokes are: black men, black women, Asian men, white men, and white women.

Did you know?

The first-known contraceptive was crocodile dung, used in Egypt in 2000 BC. Condoms were also reportedly used, made of animal bladders or intestines.

Did you know?

Today, nearly 8 out of 10 pregnant women living with HIV (about 1.1 million), receive antiretrovirals.

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.

For a complete list of videos, visit our video library