Hot Jupiter
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Description
Hot Jupiters (sometimes called hot Saturns ) are a class of gas giant exoplanets that are inferred to be physically similar to Jupiter but that have very short orbital periods ( P < 10 days). The close proximity to their stars and high surface-atmosphere temperatures resulted in their informal name "hot Jupiters".
Hot Jupiters are the easiest extrasolar planets to detect via the radial- velocity method, because the oscillations they induce in their parent stars' motion are relatively large and rapid compared to those of other known types of planets. One of the best-known hot Jupiters is 51 Pegasi b. Discovered in 1995, it was the first extrasolar planet found orbiting a Sun-like star. 51 Pegasi b has an orbital period of about 4 days.
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- Slug: hot-jupiter
- Total Views: 132
- Added: Jul 20, 2024