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Jump78of 100 · 50.5 light years from Earth

51 Pegasi b: the first planet of a Sun-like star

51 Pegasi b was the first planet found around a Sun-like star, in 1995, and it won a Nobel Prize. Facts with their sources.

ESO illustration of 51 Pegasi b, a gas giant lit by its star; it is not a photo
Illustration, not a photo Image: ESO/M. Kornmesser/Nick Risinger (skysurvey.org) (CC BY 4.0) · original

Curious facts

  1. The first, in 1995

    In 1995 Michel Mayor and Didier Queloz found the first planet orbiting a star like the Sun. 12

  2. A 4.2-day year

    It is a gas giant that circles its star in 4.2 days. 1

  3. A Nobel Prize

    The discovery earned them the 2019 Nobel Prize in Physics. 2

51 Pegasi b in Orbit

In the game, 51 Pegasi b is jump 78 of the route, 50.5 light years from Earth. Its logbook card says:

Logbook · Jump 78

First planet found around a Sun-like star (1995)

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Sources

  1. NASA, 51 Pegasi b. science.nasa.gov/exoplanet-catalog/51-pegasi-b
  2. Nobel Prize, 2019. nobelprize.org/prizes/physics/2019/summary

Checked between 8 and 11 October 2026.

Illustration, not a photo Image: ESO/M. Kornmesser/Nick Risinger (skysurvey.org) (CC BY 4.0) · original