Eli5 how moon phases work

615 views

Are the phases of the moon created by the earth’s shadow? And, if so, how can i see the moon in its phase during the daytime?

In: 0

21 Answers

Anonymous 0 Comments

It’s helpful to imagine a simple model to understand moon phases: it just takes two objects (balls are best) and a lamp.

If you place ball E (for earth) adjacent to ball M (moon) and shine the lamp from a few feet away, you’ll see a different shadow (phase) of M than if you place M between E and the lamp, or if you place M to the other side of E, or if you place M behind E.

Here’s a nice illustration of an even simpler way:

You are viewing 1 out of 21 answers, click here to view all answers.