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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.

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

According to the researchers, both the mini-Neptune and the hot Jupiter probably formed much farther away from their star, in a colder region of the system's early disk of gas and dust.

From Science Daily • May 7, 2026

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

Luis Calçada, a science visualization artist who works with the European Southern Observatory, chose another hot Jupiter: Vega b.

From New York Times • Apr. 2, 2022

A precise water abundance measurement for the hot Jupiter WASP-43b.

From Nature • May 6, 2018

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