SciShow Space

The Mysterious Green Glass on the Moon (Plus: How to See Comet NEOWISE!) (2020x55)

Air date: Jul 17, 2020

Earlier this month, a Chinese moon rover discovered a mysterious glittery substance at the bottom of a lunar crater. How did it get there? Also, Comet NEOWISE takes thousands of years to circle the Sun, and right now we can see it in our night sky!