Spane junk

Spane junk

1. Most objects that return to Earth end up in the water, since it makes up 70 percent of Earth’s surface

2. Most objects that return to Earth end up in the water, since it makes up 70 percent of Earth’s surface.

3. Orbital debris (duhBREE) is “junk” that is circling Earth. It is pieces from spacecraft. Most “spacejunk” is moving very fast and it can reach speeds of 4.3 to 5 miles per second. Five miles per second is 18,000 miles per hour. That speed is almost seven times faster than a bullet.