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

Author Question: Astronomers conclude that quasars must come from the earliest phases of the Universe because they ... (Read 92 times)

a0266361136

  • Hero Member
  • *****
  • Posts: 538
Astronomers conclude that quasars must come from the earliest phases of the Universe because they ____.
 
  a. have supermassive black holes
  b. are colliding with other galaxies
  c. create jets
 d. have large redshifted spectra
 e. have a fluctuating luminosity

Question 2

An object that is a perfect absorber and emitter of radiation is called a(n) _______________.
 
  Fill in the blank(s) with correct word



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

kaykay69

  • Sr. Member
  • ****
  • Posts: 322
Answer to Question 1

d

Answer to Question 2

blackbody
black body




a0266361136

  • Member
  • Posts: 538
Reply 2 on: Jul 27, 2018
Wow, this really help


hramirez205

  • Member
  • Posts: 345
Reply 3 on: Yesterday
Thanks for the timely response, appreciate it

 

Did you know?

Autoimmune diseases occur when the immune system destroys its own healthy tissues. When this occurs, white blood cells cannot distinguish between pathogens and normal cells.

Did you know?

When intravenous medications are involved in adverse drug events, their harmful effects may occur more rapidly, and be more severe than errors with oral medications. This is due to the direct administration into the bloodstream.

Did you know?

Inotropic therapy does not have a role in the treatment of most heart failure patients. These drugs can make patients feel and function better but usually do not lengthen the predicted length of their lives.

Did you know?

Recent studies have shown that the number of medication errors increases in relation to the number of orders that are verified per pharmacist, per work shift.

Did you know?

Blood in the urine can be a sign of a kidney stone, glomerulonephritis, or other kidney problems.

For a complete list of videos, visit our video library