Which of the following is true of Phobos?
A) It is bigger than Mars.
B) It is almost certainly a captured asteroid.
C) Its gravitational acceleration is equivalent to that of Earth.
D) Its atmosphere is completely made of nitrogen.
Question 2
The Sun rotates with its equator inclined _____ to Earth's orbit.
A) 7.2
B) 14
C) 21.4
D) 28