Descriptive Astronomy - Quiz 3 Descriptive Astronomy Phys. Last Wednesday, March 17, was new moon. On a cloudy evening you see a small part of the moon at 6 p.m. just above the western horizon.
Tides show a daily, monthly, and yearly cycle.
Describe the three most important characteristics which make the moon and mercury different from Earth and give the reason why they differ. Describe all differences between maria and highlands on the moon. The 0.72 A.U. semimajor axis of Venus' orbit results in elongations of up to 47 o from the sun.