The Evolution of the Moon (or Don’t Look Now, But I Think We’re Being Followed)

Thanks to light pollution, we can’t see much when we look up.  …  Might as well know more about what we can.

[youtube https://www.youtube.com/watch?v=UIKmSQqp8wY]

Also available with narration and a tour.

[NASA’s Goddard Space Flight Center via Laughing Squid]