What causes the phases of the Moon?
the Sun's shadow
The alignment of the Sun and the Moon
the alignment of the Sun and Venus
at full phase
at third quarter
During a solar eclipse, who can view the eclipse?
everyone on Earth
only people on the lit side of the Earth
only people in the Eastern Hemisphere
only people in the Western Hemisphere
Beatrice looks at the Moon. It is a third quarter moon. If a full moon is 100% visible, what percent of
the Moon is visible to Beatrice?
If the lit part of the Moon is getting smaller, it is?