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# Are We Running Out of Space Above Earth?
- URL: https://www.cascadepbs.org/show/pbs-space-time/episode/are-we-running-out-of-space-above-earth-pn4hkj/
- Published: 2024-04-02T23:12:07.000Z
- Updated: 2025-08-21T13:45:42.000Z
- Description: The accumulation of space junk increases collisions known as the Kessler Syndrome.
- Author: Cascade PBS Staff
- Tags: PBS Space Time, Season 7, Episode 19, #ZZZ_Episode_f5d8287c-6b55-417c-9558-d3064f1076a4, #episode, #ZZZ_Show_ae70f836-13b6-4c9d-b61f-99f7b8bc29eb, #v1.16

While recent news about the Chinese Long March 5 Rocket made a lot of people very nervous because a 22-ton rocket was going to fall out of the sky, this sort of thing happens all the time. The accumulation of space junk poses a huge risk to all human operations in space especially if we cross the threshold into the chain reaction of exponentially growing collisions known as the Kessler Syndrome.