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

Author Question: The amount of diffraction a telescope creates depends upon: A) whether the telescope is a ... (Read 117 times)

mynx

  • Hero Member
  • *****
  • Posts: 555
The amount of diffraction a telescope creates depends upon:
 
  A) whether the telescope is a refractor or a reflector.
  B) the wavelength and the diameter of the telescope objective.
  C) the magnification of the eyepiece.
  D) the types of glass used in the achromat.
  E) the transparency of the atmosphere.

Question 2

That quasars were at cosmological distances yet appeared like ordinary faint stars meant:
 
  A) they were the brightest stars ever observed.
  B) they must be very large.
  C) they must contain many O and B type stars.
  D) they must be producing such large quantities of energy than even fusion could not explain their output.
  E) they must be very small, but bright due to gravitational lensing.



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

kardosa007

  • Sr. Member
  • ****
  • Posts: 300
Answer to Question 1

B

Answer to Question 2

D




kardosa007

  • Sr. Member
  • ****
  • Posts: 300

 

Did you know?

Opium has influenced much of the world's most popular literature. The following authors were all opium users, of varying degrees: Lewis Carroll, Charles, Dickens, Arthur Conan Doyle, and Oscar Wilde.

Did you know?

The senior population grows every year. Seniors older than 65 years of age now comprise more than 13% of the total population. However, women outlive men. In the 85-and-over age group, there are only 45 men to every 100 women.

Did you know?

Cocaine was isolated in 1860 and first used as a local anesthetic in 1884. Its first clinical use was by Sigmund Freud to wean a patient from morphine addiction. The fictional character Sherlock Holmes was supposed to be addicted to cocaine by injection.

Did you know?

The lipid bilayer is made of phospholipids. They are arranged in a double layer because one of their ends is attracted to water while the other is repelled by water.

Did you know?

Chronic marijuana use can damage the white blood cells and reduce the immune system's ability to respond to disease by as much as 40%. Without a strong immune system, the body is vulnerable to all kinds of degenerative and infectious diseases.

For a complete list of videos, visit our video library