Nearest Exoplanet to Our Earth

February 09, 2024 3:30 AM EST

Dr. Swapnil Surwase

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Exoplanet is the term to explain planet outside our solar system.

Nearest exoplanet to our Earth is belong to star system Proxima Centauri.

In the Proxima Centauri star system, Proxima Centauri b is closest exoplanet to our Earth.

Proxima Centauri is 4.2 light years away from the Earth. It orbits around it's star every 11.18 Earth days.

Proxima Centauri b is 0.049 AU away from it's star, this distance is equivalent to 20 times closer to Proxima Centauri star than Earth is to the Sun.

Proxima Centauri b is located in habitable zone of it's star. With temperature of about 234 K/ -39 degree celcius.

Exoplanet is in habitable zone so that water in liquid form could present on the surface.

If the exoplanet bears atmosphere, it's likely to contain gases like oxygen, carbon dioxide.

If magnetic field present then it would give rise to beautiful auroras just like our Earth.

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