THE MOON, ECLIPSES
What is a new moon?
When the moon is the darkest
Full moon: fully lit
What causes the phases of the moon?
More or less of the sun-lit side is in view
Phases: half-lit by sun, orbiting earth
Same face: corotation
Size changes: eccentric orbit
Phases of the Earth
When it is new moon on earth, on the moon it is:
earthshine: when moon is crescent, the other side is all grey (earth light)
- see moon through