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hot Jupiter

American  

noun

Astronomy.
  1. any of a class of large, hot, gaseous planets similar to Jupiter in mass but outside our solar system.


hot Jupiter Scientific  
/ hŏt /
  1. See under extrasolar planet


Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

See Examples For:

This marks the first time scientists have measured the atmospheric composition of a mini-Neptune located inside the orbit of a hot Jupiter.

From Science Daily May 7, 2026

WASP-43 b is a "hot Jupiter" type of exoplanet: similar in size to Jupiter, made primarily of hydrogen and helium, and much hotter than any of the giant planets in our own solar system.

From Science Daily Apr. 30, 2024

Silicates are exceptionally common — all the rocky bodies in the solar system are made from them, and silicates have previously been detected in the atmospheres of hot Jupiter exoplanets before.

From Scientific American Oct. 20, 2023

Kelt-11b is a hot Jupiter that was first reported in 2017 with the Kilodegree Extremely Little Telescope.

From New York Times Apr. 2, 2022

No thermal inversion and a solar water abundance for the hot Jupiter HD 209458b from HST/WFC3 spectroscopy.

From Nature May 6, 2018

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