The type of radiation coming from active nuclei due to electrons ...

[washai]

The type of radiation coming from active nuclei due to electrons spiraling in very strong magnetic fields at relativistic speeds is:
 
  A) positron radiation.
  B) thermal energy.
  C) a blackbody curve.
  D) synchrotron radiation.
  E) nuclear energy.

Question 2

After a supernova event, what is left behind?
 
  A) always a white dwarf
  B) always a neutron star
  C) always a black hole
  D) either a white dwarf or a neutron star
  E) either a neutron star or a black hole

[anoriega3]

Answer to Question 1

D

Answer to Question 2

E