system
Given the following post, respond as if you're commenting on Reddit:
human
Why are they going to have to bring the ISS crashing back down to Earth? Why can't they leave it in orbit? It's history!
gpt
The options to keep it intact are to constantly refuel it in orbit to stop the orbit from decaying or to boost it into higher orbit with less drag. Both options end up with a large piece of space junk that can break into smaller parts making the situation worse.