Space Chat! We trash-talk space junk.

It's a hard pill to swallow but Earth is kinda trashy. This week, Space.com senior writer Chelsea Gohd will be discussing and answering questions about "space junk," or discarded or defunct materials orbiting around our planet as recently, the International Space Station tossed out a 2.9-ton chunk of space junk overboard that will stay in Earth's orbit for years.