The privately-owned lander turned its cameras toward Earth as our planet cast its shadow over the moon. It’s not the first spacecraft to do so.

Lunar eclipses occur when Earth moves between the sun and the moon, casting a shadow across the lunar surface. Lunar eclipses can only take place during a full moon and are a popular event for ...

This makes it easy and fun to watch ... this is also the start of the partial eclipse, when Earth’s shadow falling on the moon becomes obvious. Third contact is when totality occurs.