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When was the first exoplanet (51 Pegasi B) found?

User Keela
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Final answer:

The first exoplanet, 51 Pegasi B, was discovered in 1995 by Didier Queloz and Michel Mayor of the Geneva Observatory using the Doppler effect.

Step-by-step explanation:

The first exoplanet, 51 Pegasi B, was discovered in 1995 by Didier Queloz and Michel Mayor of the Geneva Observatory using the Doppler effect.They found a planet orbiting a star called 51 Pegasi, which is about 40 light-years away from us.This discovery was significant because it was the first confirmation of a planet orbiting a regular star outside our solar system.

User Rudie
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