🌍 Exoplanet
51 Pegasi b
The first planet ever found around a Sun-like star.
- Size
- 14 times wider than Earth
- A year lasts
- 4.2 Earth days
- Estimated temperature
- 1,056 °C
- Distance
- 50 light-years away
- Discovered
- 1995
Did you know?
- Its discovery won the 2019 Nobel Prize in Physics.
- It is a giant like Jupiter, but circles its star in just over four days.
The latest numbers from NASASize, year, temperature and how it was found, in the app
Compare 51 Pegasi b with EarthSide by side, to scale, in the app
More NASA photos of 51 Pegasi bStraight from NASA’s image library, in the app
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