James Peebles, Michel Mayor and Didier Queloz have won the 2019 Nobel Prize for Physics.
Peebles has won for “theoretical discoveries in physical cosmology”. Mayor and Queloz have won for “the discovery of an exoplanet orbiting a solar-type star”.
The prize is worth SEK 9m (about £740,000). Peebles will get one half of the prize and Mayor and Queloz will share the other half.
The new laureates will gather in Stockholm on 10 December, where they will receive their medals at a ceremony in Stockholm.
Peebles, 84, was born in Winnipeg, Canada and is based at Princeton University in the US.
Michel Mayor is 77 and was born in Lausanne, Switzerland. He is based at the University of Geneva, Switzerland.
Didier Queloz is also Swiss and is based at the University of Geneva and the University of Cambridge in the UK.