# Space junk
Human Trash Found on Mars
Humans have begun polluting another planet.NASA's Perseverance Mars Rover. NASA’s Perseverance Mars Rover has documented something strangely human. “My team has spotted something unexpected: It's a piece of a thermal blanket that they think may have come from my descent stage, the rocket-powered jet pack that set me down on landing day last year.
The Microscopic Pieces of Debris Hurtling Through Space
Microscopic Pieces of Debris Hurtling Through SpaceBy Farhana. There are about 70,000 pieces of space junk larger than a softball flying around the Earth, and some of it is burning up as it enters the atmosphere. Luckily, we haven’t had any big incidents yet. But as the population of space junk increases, collisions between orbiting objects have become more common, and nobody’s sure what will happen if we reach the point of critical mass. Do we have any control over it? And what would happen if that critical mass was breached?