Quasar's spectral lines are A) emission lines with large red ...

[JMatthes]

Quasar's spectral lines are
 
  A) emission lines with large red shifts.
  B) a continuum from the synchrotron radiation.
  C) fuzzy absorption lines from the merged light of the billions of stars.
  D) too complex for any interpretation.
  E) nonexistent, the gas so hot as to be totally ionized, so no lines are seen.

Question 2

In the formula E = mc2, what does E represent?
 
  A) the kinetic energy of a moving object
  B) the radiative energy carried by light
  C) the gravitational potential energy of an object held above the ground
  D) the mass-energy, or potential energy stored in an object's mass
  E) the electric charge of the object

[Melissahxx]

Answer to Question 1

A

Answer to Question 2

D

[JMatthes]

Thanks for the timely response, appreciate it

[tuate]

Excellent