The critical temperature above which pair production can occur is ...

[go.lag]

The critical temperature above which pair production can occur is called the:
 
  A) Chandrasekhar Limit.
  B) Cosmological Constant.
  C) fusion temperature.
  D) threshold temperature.
  E) event horizon.

Question 2

Venus' lack of magnetic field means that:
 
  A) there is no lightning on Venus.
  B) the surface of Venus has no protection from the Sun's radiation.
  C) it doesn't have a liquid metallic core.
  D) Venus' upper atmosphere is permanently ionized.
  E) there are constant aurorae everywhere on Venus.

[kswal303]

Answer to Question 1

D

Answer to Question 2

D

[go.lag]

TYSM

[jamesnevil303]

Gracias!