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ultra-hot jupiter. In DICTIOUS you will not only get to know all the dictionary meanings for the word
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ultra-hot jupiter in singular and plural. Everything you need to know about the word
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English
Alternative forms
Etymology
ultra- + hot jupiter.
From being a type of gas giant planet much hotter than most jupiter-class planets.
Noun
ultra-hot jupiter (plural ultra-hot jupiters)
- A giant planet, of similar mass to that of Jupiter, which orbits close enough to its sun to become tidally locked, and whose day-side atmosphere has therefore heated up so much, as to break apart most molecules, leaving atomic gas. The day-side atmosphere has the temperature and spectral characteristics of a star's surface.
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