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 122 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?

Hyperthyroidism leads to an increased rate of metabolism and affects about 1% of women but only 0.1% of men. For most people, this increased metabolic rate causes the thyroid gland to become enlarged (known as a goiter).

Did you know?

Blood is approximately twice as thick as water because of the cells and other components found in it.

Did you know?

Allergies play a major part in the health of children. The most prevalent childhood allergies are milk, egg, soy, wheat, peanuts, tree nuts, and seafood.

Did you know?

The first successful kidney transplant was performed in 1954 and occurred in Boston. A kidney from an identical twin was transplanted into his dying brother's body and was not rejected because it did not appear foreign to his body.

Did you know?

Amphetamine poisoning can cause intravascular coagulation, circulatory collapse, rhabdomyolysis, ischemic colitis, acute psychosis, hyperthermia, respiratory distress syndrome, and pericarditis.

For a complete list of videos, visit our video library