Author Question: Mercury presents the same side to the Sun: A) every other orbit. B) all the time, just like our ... (Read 55 times)

Kthamas · **on:** Jul 27, 2018

Mercury presents the same side to the Sun:

A) every other orbit.
B) all the time, just like our Moon.
C) every 12 hours.
D) every third orbit.
E) twice every orbit.

Question 2

Of the Galilean moons, the one with striking grooved terrain and icy tectonic features as well as older craters is

A) Amalthea.
B) Io.
C) Europa.
D) Ganymede.
E) Callisto.