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Which exoplanet orbits its star fastest?
Quick Answer
Some ultra-short-period exoplanets, such as TOI-178 b, complete an orbit in just a few hours. These are among the fastest-orbiting known planets.
The Full Story
The fastest-orbiting exoplanets are ultra-short-period worlds that whip around their stars in just hours. One example is TOI-178 b, which has an orbital period of only a few hours. Such planets are scorched by intense starlight and often tide-locked or being stripped by radiation. They are important for understanding how close-in rocky planets survive around other stars.
Key Facts
1.Some orbit in only a few hours
2.They are called ultra-short-period exoplanets
3.They are intensely heated by their stars
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Suggested video title for this topic:
"Some exoplanets race around their stars in just hours."
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