"It was not like anything I had ever seen before," Alejandro Otero says. It turned out his home was hit by debris from the International Space Station that had been circling the Earth for three years.

A rocket part set to slam into the far side of the moon Friday morning highlights the growing issue of space junk in orbit around Earth, experts say

Astronomers noticed it was unlikely the piece of space junk was from the Falcon 9 launch in 2015, due to the gap between the rocket's trajectory and object.

Astronomers predict that on March 4th, a piece of a rocket launched in 2015 will crash into the moon. It's believed to be first time something man-made has accidentally crashed into the moon.

U.S. Space Command says the exact entry point into Earth's atmosphere cannot be pinpointed until hours before its reentry, which is expected sometime around Saturday.

Known as ELSA-d, the mission will exhibit technology that could help capture space junk, some of the millions of pieces of orbital debris that float above Earth.