Astronomy - Chapter 1: Earth-Moon System
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About two days after the new moon, a thin sliver appears low in the western sky
crescent phase
During the following week, the illuminated portion of the moon visible from earth increases (waxing) to a ____
half circle (first quarter phase)
What is it called when the whole moon is illuminated?
Full moon
True or false: half of the moon is illuminated at all times
True
When does the new moon phase happen?
When the moon appears between the earth and the sun
The cycle of the moon through its phases requires 29.5 days or…
synodic month
What happens when the moon moves in a line directly between the earth and sun
solar eclipse
What happens when the moon moves within the shadow of the earth?
Lunar eclipse