Bifalgorithm post

Moon is about to disappear, not forever, but during a total lunar eclipse, Earth will sterically between the Sun and the Moon. Instead of turning black, the Moon slowly becomes deep red, and that's why it's called a "blood moon". The red light that reaches it has been filtered through Earth's atmosphere, the same light that creates red sunsets. For a short time the moon isn't glowing on its own. It's being lit by every sunrise and sunset on Earth at the same time.

Moon is about to disappear, not forever, but during a total lunar eclipse, Earth will sterically between the Sun and the Moon. Instead of turning black, the Mo…