Author Question: Gravitational lensing a. occurs when light passes near a massive object and is deflected by the ... (Read 106 times)

crazycityslicker

  • Hero Member
  • *****
  • Posts: 537
Gravitational lensing
 
  a. occurs when light passes near a massive object and is deflected by the object's gravitational field.
  b. can be used to determine the luminosity of a galaxy.
  c. occurs when the mass of a galaxy is greater than expected from the luminosity of the galaxy.
  d. occurs when the mass of a galaxy is less than expected from the luminosity of the galaxy.
  e. can be used to determine the recessional velocity of a galaxy.

Question 2

Hydrostatic equilibrium refers to the balance between weight and pressure.
 
  a. True
  b. False
  Indicate whether the statement is true or false



Smiles0805

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

a

Answer to Question 2

True



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question


 

Did you know?

Human kidneys will clean about 1 million gallons of blood in an average lifetime.

Did you know?

Intradermal injections are somewhat difficult to correctly administer because the skin layers are so thin that it is easy to accidentally punch through to the deeper subcutaneous layer.

Did you know?

Only one in 10 cancer deaths is caused by the primary tumor. The vast majority of cancer mortality is caused by cells breaking away from the main tumor and metastasizing to other parts of the body, such as the brain, bones, or liver.

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?

Computer programs are available that crosscheck a new drug's possible trade name with all other trade names currently available. These programs detect dangerous similarities between names and alert the manufacturer of the drug.

For a complete list of videos, visit our video library