Author Question: The Arecibo radio telescope is laid out like which optical telescope design? A) prime focus ... (Read 75 times)

tingc95

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The Arecibo radio telescope is laid out like which optical telescope design?
 
  A) prime focus reflector
  B) Newtonian reflector
  C) grazing incidence reflector
  D) Cassegrain reflector
  E) Coude reflector

Question 2

Describe the range of sizes and masses of black holes.
 
  What will be an ideal response?



bd5255

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Answer to Question 1

A

Answer to Question 2

The smallest, a three solar mass black hole, is only about 9 km across, but some in the cores of galaxies may be millions of solar masses and larger than the solar system.



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