Kessler syndrome

proper noun

A theoretical scenario in which the density of objects in low Earth orbit due to space pollution is high enough that collisions between objects could cause a cascade in which each collision generates debris that increases the likelihood of further collisions.

Meanings

proper nounthe Kessler syndrome
  1. A theoretical scenario in which the density of objects in low Earth orbit due to space pollution is high enough that collisions between objects could cause a cascade in which each collision generates debris that increases the likelihood of further collisions.

    Synonyms: Kessler effect

Synonyms & antonyms

proper nounA theoretical scenario in which the density of objects in low Earth orbit due to space pollution is high enough that collisions between objects could cause a cascade in which each collision generates debris that increases the likelihood of further collisions.

Origin

Proposed by NASA scientist Donald J. Kessler in 1978.

Full word history & related roots →
Cite this entry
APA

Kessler syndrome. (n.d.). In WatkinsX Dictionary. Retrieved November 5, 2026, from https://dictionary.watkinsx.com/word/Kessler%20syndrome

MLA

“Kessler syndrome.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/Kessler%20syndrome. Accessed November 5, 2026.

Chicago

WatkinsX Dictionary, s.v. “Kessler syndrome,” accessed November 5, 2026, https://dictionary.watkinsx.com/word/Kessler%20syndrome.

Source: Kessler syndrome on Wiktionary, CC BY-SA 4.0.