Another explanation[1] that shows how it's not just the cost of escaping Earth gravity (which is high enough already) but the delta-v required to de-orbit. It's

Another explanation[1] that shows how it's not just the cost of escaping Earth gravity (which is high enough already) but the delta-v required to de-orbit. It's easier to throw the garbage out of the solar system than it is to descend into the Sun. [1] https://www.youtube.com/watch?v=LHvR1fRTW8g https://www.youtube.com/watch?v=LHvR1fRTW8g