Module 14 · Exoplanet Atlas
5,000 worlds
and counting.
A curated tour of the most fascinating planets beyond our Solar System — from Earth-sized worlds in habitable zones to gas giants where it rains molten glass.
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Radial velocity · 2016
Proxima Centauri b
around Proxima Centauri
Habitable zone
The closest known exoplanet to Earth — orbiting the nearest star to our Sun.
Distance
4.24 ly
Star
M-dwarf
Radius
1.07 × Earth
Mass
1.17 × Earth
Year length
11.2 d
Equilib. temp
-39°C
How big is it, really?
Reference
Earth
6,371 km · 365 d
Radial velocity
Proxima Centauri b
1.07× Earth