Author Question: Why does Mars have seasons similar to the Earth? a. Mars is roughly the same distance from the ... (Read 142 times)

rl · **on:** Jul 27, 2018

Why does Mars have seasons similar to the Earth?

a. Mars is roughly the same distance from the sun as Earth.
b. Mars has the same size as the Earth.
c. The shape of Mars' orbit is the same as the Earth's.
d. Mars' rotational axis is tilted relative to its orbit like the Earth's.

Question 2

If Galaxy A is found to have a recessional velocity four times greater than Galaxy B, what can you say about their relative distances from Earth?

a. Galaxy A is four times closer than Galaxy B.
b. Galaxy A is four times further away than Galaxy B.
c. Galaxy A is twice as distant than Galaxy B.
d. Galaxy A is twice as close than Galaxy B.