Are we alone? Nobel Prize goes to three searching for answersThey are two of the most fundamental questions not just of science, but of humanity: How did we get here? And are we alone?
A Canadian-American cosmologist along with two Swiss scientists split this year’s Nobel Prize in Physics on Tuesday for not quite answering those universal questions, but getting closer to the cosmic truths.
Canadian-born James Peebles, 84, an emeritus professor at Princeton University, won for his theoretical discoveries in cosmology, about what happened soon after the Big Bang that eventually led to the formation of galaxies and the universe as we know it.
Swiss star-gazers Michel Mayor and Didier Queloz, both of the University of Geneva, were honored for finding an exoplanet - a planet outside of our solar system - that orbits a sun-like star.
A day of deep astrophysics and talk of extraterrestrial life also included pop humor, with the Nobel Prize committee quoting from the theme song of the American TV sitcom, “The Big Bang Theory,” whose protagonists, Sheldon and Amy, won a physics Nobel in the series finale.
“This year’s Nobel laureates in physics have painted a picture of the universe far stranger and more wonderful than we ever could have imagined,” said Ulf Danielsson of the Royal Swedish Academy of Sciences, in announcing the laureates. “Our view of our place in the universe will never be the same again.”
Peebles’ work is a deeply theoretical look back in time and space at how the universe came to its current form, mostly filled with dark matter and dark energy we can’t even see. It’s probably the first Nobel for purely theoretical cosmology, instead of something observed, noted Caltech physicist Sean Carroll.
Peebles, hailed as one of the most influential cosmologists of his time, who realized the importance of the cosmic radiation background born of the Big Bang, will collect one half of the 9-million kronor ($918,000) cash award.
“Much of it will go to charity,” Peebles told colleagues at a Princeton news conference. Then after a pause, he changed that to, “Some of it will go to charity. Some of it will go to our children.”
Mayor, who is an astrophysicist, and Queloz, an astronomer who is also at the University of Cambridge in Britain, will share the other half. Their finding of the first planet outside our solar system circling a star like our own made astronomers look harder for life elsewhere in the universe.
Mayor and Queloz started a revolution in astronomy when they discovered 51 Pegasi b, a gaseous ball comparable with Jupiter, in 1995 - a time when, as Mayor recalled, “no one knew whether exoplanets existed or not.”
More than 4,000 exoplanets have since been found in the Milky Way, and scientists think one out of every four or five stars have planets.
The Nobel Prize in Chemistry will be announced Wednesday, two Literature Prizes will be awarded on Thursday, and the Peace Prize comes Friday.
This year will see two Literature Prizes handed out because the one last year was suspended after a scandal rocked the Swedish Academy.
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