If you are in the Moon's umbral shadow, then you are witnessing
A) nighttime.
B) some kind of lunar eclipse.
C) a total solar eclipse.
D) a partial solar eclipse.
E) a total lunar eclipse.
Question 2
Based on its surface features, the most important event on Venus in the past billion years or so was ________.
A) the onset of mantle convection, which caused Venus's lithosphere to split into plates like those on Earth
B) a global repaving that erased essentially all the surface features that had existed earlier
C) the impact of an unusually large asteroid that left a deep scar on one side of the planet
D) the eruption of a giant volcano that formed one of Venus's continents
The Phases of the Moon
The Moon’s Interior
Moon orbit
Moon landing
Moon Golf
A 2.10-kg hammer is transported to the Moon. The radius of the Moon is 1.74 × 106 m, its mass ...