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

Author Question: I observe a galaxy that is 100 million light years away. Which of the following do I see? A) the ... (Read 56 times)

Capo

  • Hero Member
  • *****
  • Posts: 545
I observe a galaxy that is 100 million light years away. Which of the following do I see?
 
  A) the light from the galaxy as it is today, and it is redshifted
  B) the light from the galaxy as it was 100 million years ago, and it is redshifted
  C) the light from the galaxy as it is today, and it is blueshifted
  D) the light from the galaxy as it was 100 million years ago, and it is blueshifted
  E) Nothing: the galaxy lies beyond the cosmological horizon.

Question 2

Nothing in the universe can travel faster than ________.
 
  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

Smiles0805

  • Sr. Member
  • ****
  • Posts: 305
Answer to Question 1

B

Answer to Question 2

the speed of light




Capo

  • Member
  • Posts: 545
Reply 2 on: Jul 27, 2018
Great answer, keep it coming :)


dyrone

  • Member
  • Posts: 322
Reply 3 on: Yesterday
Gracias!

 

Did you know?

The average older adult in the United States takes five prescription drugs per day. Half of these drugs contain a sedative. Alcohol should therefore be avoided by most senior citizens because of the dangerous interactions between alcohol and sedatives.

Did you know?

Coca-Cola originally used coca leaves and caffeine from the African kola nut. It was advertised as a therapeutic agent and "pickerupper." Eventually, its formulation was changed, and the coca leaves were removed because of the effects of regulation on cocaine-related products.

Did you know?

Approximately 500,000 babies are born each year in the United States to teenage mothers.

Did you know?

Once thought to have neurofibromatosis, Joseph Merrick (also known as "the elephant man") is now, in retrospect, thought by clinical experts to have had Proteus syndrome. This endocrine disease causes continued and abnormal growth of the bones, muscles, skin, and so on and can become completely debilitating with severe deformities occurring anywhere on the body.

Did you know?

Thyroid conditions may make getting pregnant impossible.

For a complete list of videos, visit our video library