During the nuclear epoch, the temperatures were: A) higher ...

[penguins]

During the nuclear epoch, the temperatures were:
 
  A) higher than 1032 K.
  B) about a trillion degrees.
  C) comparable to the temperatures inside giant stars today.
  D) less than 10 million K.
  E) between 3,000 and 16,000 K.

Question 2

What is aerobraking?
 
  A) the technique of using a planetary atmosphere to change the orbit of a spacecraft
  B) the use of a planetary atmosphere to redirect a spacecraft to another planet
  C) the controlled landing of a spacecraft on a planetary surface
  D) the gradual decrease of speed as a spacecraft leaves the solar system
  E) the destruction of a spacecraft by the intense pressure as it descends into the atmosphere

[BAOCHAU2803]

Answer to Question 1

C

Answer to Question 2

A

[penguins]

Excellent

[raili21]

Gracias!