description Epsilon Eridani b Overview
Epsilon Eridani b is a gas giant exoplanet orbiting the nearby K-type star Epsilon Eridani, located approximately 10.5 light-years from the Solar System. Evidence for the planet was identified through long-term radial velocity monitoring of the star, with results reported around 2000. The planet has a minimum mass comparable to Jupiter and follows an eccentric orbit with a period of several years at a distance greater than 3 astronomical units. Epsilon Eridani is younger than the Sun and is one of the nearest stars to the Solar System.
help Epsilon Eridani b FAQ
What type of planet is Epsilon Eridani b?
Epsilon Eridani b is a gas giant orbiting the nearby K-type star Epsilon Eridani. The star is approximately 10.5 light-years from the Solar System.
How was Epsilon Eridani b detected?
Evidence for the planet came from long-term radial-velocity monitoring of its host star. Astronomers detect the star's small back-and-forth motion caused by the planet's gravity.
Is Epsilon Eridani b potentially habitable?
No, it is a gas giant rather than a rocky, Earth-sized world with a solid surface. Any habitability discussion would concern possible moons, not the planet itself.
Why is Epsilon Eridani an important exoplanet system?
Epsilon Eridani is one of the nearest stars known to host a planet and has a young circumstellar environment. Its distance of about 10.5 light-years makes it a frequent target for nearby-star studies.
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