Speakur

Word Pronunciation & Dictionary

ultra-hot jupiter

Word Rarity Rare

Frequency: Zipf frequency 3.56 in modern English

Syllables
ul-tra--hot jupiter
IPA
27
Scrabble Score
15
Letters
4
Syllables
11
Unique Chars

Meaning

noun

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.

Etymology

Blend of ultrahot + hot jupiter. From being a type of gas giant planet much hotter than most jupiter-class planets.

Inflected Forms

ultra-hot jupiters (plural) ultra hot jupiter (alternative) ultrahot jupiter (alternative)

Phrases

hot jupiter

Frequently Paired Words

hot jupiter jupiter

Questions

What does ultra-hot jupiter mean?
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.
Where does ultra-hot jupiter come from?
Blend of ultrahot + hot jupiter. From being a type of gas giant planet much hotter than most jupiter-class planets.

How to pronounce ultra-hot jupiter

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