Why Will a Stray Rocket Hit the Moon?

A rocket booster is due to hit the Moon. So what do we know about this space junk? And what are we hoping to learn from this accidental collision?

Why Will a Stray Rocket Hit the Moon?
Photo by Nicolas Thomas / Unsplash

A large piece of space junk is due to slam into the surface of the Moon on Friday. It appears the debris is a booster from a Chinese rocket and will likely leave quite an impact on the lunar surface.

So what do we know about this space junk? And what are we hoping to learn from this accidental collision?