Preview 1
these different sizes or moon phases at regular intervals every month. How does this work? First it is important to remember two key facts: 1. The moon revolves around the Earth every 27 days, but from Earth it appears to be 29.5 days, because the Earth’s motion extends its full revolution. 2. The moon takes the same amount of time to rotate ...
Preview 1
Preview 2
Preview 3
Preview 4
Preview 5
Preview 6