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

Author Question: The energy from the accretion disk around a black hole would show gravitational red shift due to its ... (Read 97 times)

skymedlock

  • Hero Member
  • *****
  • Posts: 561
The energy from the accretion disk around a black hole would show gravitational red shift due to its immense gravity and tidal distortion of space there.
 
  Indicate whether the statement is true or false

Question 2

If a galaxy's overall mass-to-light ratio is 100 solar masses per solar luminosity, and its stars account for only 5 solar masses per solar luminosity, how much of the galaxy's mass must be dark matter?
 
  A) 100 percent
  B) 95 percent
  C) 80 percent
  D) 50 percent
  E) 5 percent



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

brittanywood

  • Sr. Member
  • ****
  • Posts: 355
Answer to Question 1

TRUE

Answer to Question 2

B





 

Did you know?

Less than one of every three adults with high LDL cholesterol has the condition under control. Only 48.1% with the condition are being treated for it.

Did you know?

Warfarin was developed as a consequence of the study of a strange bleeding disorder that suddenly occurred in cattle on the northern prairies of the United States in the early 1900s.

Did you know?

This year, an estimated 1.4 million Americans will have a new or recurrent heart attack.

Did you know?

A headache when you wake up in the morning is indicative of sinusitis. Other symptoms of sinusitis can include fever, weakness, tiredness, a cough that may be more severe at night, and a runny nose or nasal congestion.

Did you know?

In most climates, 8 to 10 glasses of water per day is recommended for adults. The best indicator for adequate fluid intake is frequent, clear urination.

For a complete list of videos, visit our video library