Author Question: The critical temperature above which pair production can occur is called the: A) Chandrasekhar ... (Read 54 times)

go.lag · **on:** Jul 27, 2018

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.