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 93 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
Thanks for the timely response, appreciate it


deja

  • Member
  • Posts: 332
Reply 3 on: Yesterday
YES! Correct, THANKS for helping me on my review

 

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?

Medication errors are three times higher among children and infants than with adults.

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?

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

For a complete list of videos, visit our video library