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'Stuff of which dreams are made:' Physical cosmology is to explain the universe


By Kelly Geraldine Malone, The Canadian Press on October 8, 2019.

James Peebles, a 2019 Nobel Laureate in Physics, speaks at a news conference at Princeton University in Princeton, NJ, Tuesday, Oct. 8, 2019. Peebles, an emeritus professor at Princeton University, shares the Nobel prize with Swiss scientists Michel Mayor and Didier Queloz for their work in the world of solar energy. (AP Photo / Seth Wenig)

WINNIPEG – When James Peebles was acknowledged by the University of Manitoba for his work in physical cosmology, the research was described as “the stuff of which dreams are made. “

The Canadian-American Scientist shares this year’s Nobel Prize in physics for his work examining cosmic microwave background radiation, evidence of the big bang which is still observable today. It changed how we understand the universe, and even our place within it.

Physical cosmology is a branch of the science that looks for answers to the big questions about the universe: how it was formed, changed and if or how it will end. Peebles has been called both the founder and father, and has written multiple books on the subject.

“Cosmologists are among the most intrepid of scientists, speculating, as they do, about the race of events in the first second after the big bang, thought to have been the initial event in our universe’s history; about the evolution of galaxies of hundreds of billions of stars; about the distribution of galaxies in space; and about the future of the universe, and its possible end, “Arnold Naimark, president of the University of Manitoba, said in 1989.

Andrew Frey, associate professor of physics at the University of Winnipeg, said physical cosmology builds on Albert Einstein’s theory of general relativity. It is based on the principles of rather than just making observations of the universe and on the different areas of the theoretical and applied physics.

Frey said to be in the early days 1960 about the universe came to be. Peebles’ most well-known work importantly reinforced the theory of the big bang – when the universe is starting up from its hot, dense beginning about 13 8 billion years ago.

His research looked at the remnant heat left over from that event, the ancient radiation in the light that has been tracking for trillions of years. Peebles of these testimonials from the beginning of the universe and to the new discoveries of physical processes.

“By studying the detailed physical properties of radiation, we can learn about conditions in the universe on very large scales at very early times,” NASA’s website explains.

It tells us about the formation and structure of things like galaxies in the universe, Frey added.

“It makes you different in the world and your place in it.”

per cent of the universe. NASA has called for the new cosmic challenge.

If these mysteries are solved, Frey said, it will be largely linked to Peebles and their decades of research.

“It’s a question of: What is the state of our world going to be?”

This report by The Canadian Press was first published Oct. 8, 2019.

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