description Michel Mayor Overview
Michel Mayor is a Swiss astronomer renowned for his pioneering work in exoplanet research. His collaboration with Didier Queloz led to the detection of 51 Pegasi b, the first planet found orbiting a star similar to our Sun. This discovery significantly advanced observational planetary science and earned Mayor the 2019 Nobel Prize in Physics. He continues to contribute to understanding planets beyond our solar system, primarily benefiting researchers and students involved in exoplanet studies.
help Michel Mayor FAQ
What did Michel Mayor and Didier Queloz discover around 51 Pegasi?
They detected 51 Pegasi b in 1995, the first exoplanet found orbiting a Sun-like star. The discovery used the radial-velocity method to measure the star's wobble.
Why was 51 Pegasi b considered surprising when Mayor found it?
It is a hot Jupiter orbiting extremely close to its star, completing an orbit in roughly four days. That short period challenged assumptions about where gas giants form and migrate.
Which instrument helped Michel Mayor detect 51 Pegasi b?
Mayor and Queloz used the ELODIE spectrograph at the Haute-Provence Observatory in France. ELODIE measured tiny changes in the star's spectral lines caused by the planet's gravitational pull.
Did Michel Mayor win the Nobel Prize for the exoplanet discovery?
Yes, Michel Mayor shared the 2019 Nobel Prize in Physics with Didier Queloz and James Peebles. Mayor and Queloz were recognized specifically for discovering 51 Pegasi b.
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