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Kessler syndrome warns debris collisions can cascade in orbit

Kessler syndrome warns debris collisions can cascade in orbit

In 1978, NASA scientist Donald Kessler described how one satellite smash can spray fragments that hit other objects, spawning ever more debris until low Earth orbit becomes hazardous for decades.

Today’s catalogs track tens of thousands of pieces larger than a marble; operators dodge with thruster burns. Active debris removal and end-of-life disposal rules aim to slow the cascade.

Orbit is a shared highway with no curb. Kessler syndrome is the traffic-jam nightmare that keeps space agencies counting every nut and bolt.

Shahzad Mahota Shahzad Mahota @shahzad-mahota

Kessler syndrome warns debris collisions can cascade in orbit