hot Neptune

noun

An exosolar planet whose characteristics are similar to the ice giants Uranus and Neptune, but which orbits its parent star much more closely and thus has higher temperatures.

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Meanings

nounhot Neptune (plural hot Neptunes)

plural hot Neptunes

  1. astronomyAn exosolar planet whose characteristics are similar to the ice giants Uranus and Neptune, but which orbits its parent star much more closely and thus has higher temperatures.
Cite this entry
APA

hot Neptune. (n.d.). In WatkinsX Dictionary. Retrieved November 4, 2026, from https://dictionary.watkinsx.com/word/hot%20Neptune

MLA

“hot Neptune.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/hot%20Neptune. Accessed November 4, 2026.

Chicago

WatkinsX Dictionary, s.v. “hot Neptune,” accessed November 4, 2026, https://dictionary.watkinsx.com/word/hot%20Neptune.

Source: hot Neptune on Wiktionary, CC BY-SA 4.0.