Canadian - American astrophysicist, astronomer, and theoretical cosmologist. Peebles was awarded half of the Nobel Prize in Physics in 2019 shared with Michel Mayor and Didier Queloz for their discovery of an exoplanet orbiting a sun - like star
American physicist, radio astronomer and Nobel laureate in physics (1978) who is co-discoverer of the cosmic microwave background radiation, which helped establish the Big Bang theory of cosmology