⏰ when

When did the first exoplanet around a Sun-like star get discovered?

SpaceExoplanets

Quick Answer

In 1995, astronomers announced 51 Pegasi b, the first exoplanet found orbiting a Sun-like star.

The Full Story

51 Pegasi b was announced in 1995 by Michel Mayor and Didier Queloz. It orbited a star similar to the Sun and helped launch the modern era of exoplanet discovery. The planet was found using the radial velocity method, which detects tiny wobbles in a star caused by an orbiting planet. That discovery showed that planetary systems can be very different from the one in our Solar System.

Key Facts

1.Announced in 1995
2.Discovered by Mayor and Queloz
3.Found using the radial velocity method

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"The planet that changed astronomy forever."