« previous next »

Author Question: Gravitational lensing a. occurs when light passes near a massive object and is deflected by the ... (Read 93 times)

crazycityslicker

  • Hero Member
  • *****
  • Posts: 537
on: Jul 27, 2018
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
Reply #1 on: Jul 27, 2018
Answer to Question 1

a

Answer to Question 2

True


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question

crazycityslicker

  • Hero Member
  • *****
  • Posts: 537
Reply #2 on: Jul 27, 2018
Thank you!


Smiles0805

  • Sr. Member
  • ****
  • Posts: 305
Reply #3 on: Jul 27, 2018
Always glad to help...


« previous next »
 

Did you know?

The toxic levels for lithium carbonate are close to the therapeutic levels. Signs of toxicity include fine hand tremor, polyuria, mild thirst, nausea, general discomfort, diarrhea, vomiting, drowsiness, muscular weakness, lack of coordination, ataxia, giddiness, tinnitus, and blurred vision.

Did you know?

The term pharmacology is derived from the Greek words pharmakon("claim, medicine, poison, or remedy") and logos ("study").

Did you know?

One way to reduce acid reflux is to lose two or three pounds. Most people lose weight in the belly area first when they increase exercise, meaning that heartburn can be reduced quickly by this method.

Did you know?

Signs and symptoms of a drug overdose include losing consciousness, fever or sweating, breathing problems, abnormal pulse, and changes in skin color.

Did you know?

There can actually be a 25-hour time difference between certain locations in the world. The International Date Line passes between the islands of Samoa and American Samoa. It is not a straight line, but "zig-zags" around various island chains. Therefore, Samoa and nearby islands have one date, while American Samoa and nearby islands are one day behind. Daylight saving time is used in some islands, but not in others—further shifting the hours out of sync with natural time.

Structure of an antibody light chain Structure of an antibody light chain
Gravitational Lensing of Extremely Distant Galaxies Gravitational Lensing of Extremely Distant Galaxies
Sample Diet for a College-Aged Female Weighing 132 Pounds, Assuming Light to Moderate Daily ... Sample Diet for a College-Aged Female Weighing 132 Pounds, Assuming Light to Moderate Daily ...
Speed of Light in Different Mediums Speed of Light in Different Mediums
Assembly of a к light-chain gene in a B cell Assembly of a к light-chain gene in a B cell
Light micrograph of cells in a strand of Chladophora Light micrograph of cells in a strand of Chladophora
Video: What are the Parts of a Plant Cell?

For a complete list of videos, visit our video library