Astronomy & Space Science · AST-603
Hot Jupiters, Super-Earths & Mini-Neptunes: Physical Mechanisms
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Mechanism
Mechanism of Hot Jupiters, Super-Earths & Mini-Neptunes
Close-in giant planets likely form farther from their stars and migrate inward or undergo dynamical rearrangement. Intermediate-size planets can acquire varying mixtures of rock, water, hydrogen, and helium, and intense stellar irradiation can strip atmospheric envelopes from some worlds.
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- 01Exoplanet FactsOpen source ↗
NASA Science
View claim-by-claim traceability3 verified claims
Close-in giant planets likely form farther from their stars and migrate inward or undergo dynamical rearrangement.
supported · checked Sep 22, 2026Exoplanet surveys revealed planetary classes that are rare or absent in the Solar System, including hot Jupiters, super-Earths, and mini-Neptunes.
supported · checked Sep 22, 2026Transit surveys measure radii and periods, radial velocities measure masses, and combined density measurements reveal a wide range of compositions.
supported · checked Sep 22, 2026