Most of the moons of Saturn have rocky, cratered surfaces, like ...

[SO00]

Most of the moons of Saturn have rocky, cratered surfaces, like Deimos and Phobos.
 
  Indicate whether the statement is true or false

Question 2

Why is it thought that quasars probably spend only a fairly short time in their highly luminous phase?
 
  A) because there aren't many quasars around today
  B) because there aren't any quasars closer than about a redshift of 1
  C) because all quasars are at about the same epoch, narrowly defined in time
  D) because a black hole could not power a highly luminous quasar for more than a few million years
  E) because quasars are known to be the consumers of massive galaxies

[ryrychapman11]

Answer to Question 1

FALSE

Answer to Question 2

D

[SO00]

Both answers were spot on, thank you once again

[ryrychapman11]

Great! Please up vote