Maxwell Mons on Venus is a huge: A) impact crater larger than ...

[FButt]

Maxwell Mons on Venus is a huge:
 
  A) impact crater larger than Texas.
  B) shield volcano.
  C) rift valley.
  D) tectonic mountain chain, like the Himalayas.
  E) ocean basin larger than the Pacific Ocean.

Question 2

How can a black hole of a few solar masses be detected?
 
  What will be an ideal response?

[IAPPLET]

Answer to Question 1

B

Answer to Question 2

Look for a binary system in which one body is not visible conventionally but is a strong X-ray source from mass transfer off the visible companion, and has mass over 3 solar masses, as revealed by the motion of the visible companion.

[FButt]

Thanks for the timely response, appreciate it

[abro1885]

Gracias!