Proxima Centauri b

Exoplanet

The closest known exoplanet to Earth, orbiting within the habitable zone of the nearest star to the Sun.

Facts

TypeExoplanet
OrbitsProxima Centauri
Distance from Earth4.24 ly
Diameter13,600 km
Mass6.39 × 10^24 kg
Temperature-55°C
Orbital period11 days
Apparent magnitude11.13
HemisphereSouthern
Discovered2016
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