Robert Lea is a science journalist in the U.K. whose articles have been published in Physics World, New Scientist, Astronomy Magazine, All About Space, Newsweek and ZME Science. He also writes about science communication for Elsevier and the European Journal of Physics.
James Webb Space Telescope peers into a dying star surrounded by mysterious buckyballs: 'The structures we're seeing now are breathtaking'A dark energy tool just created the most comprehensive 3D map of our universe ever: 'This is a major paradigm shift'Astronomers just watched a star 1,540 times the size of our sun transform into a hypergiant.
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Sign up for our skywatching newsletter and explore the universe with us! Space.com's Sci-Fi Reader's Club. Read a sci-fi short story every month and join a virtual community of fellow science fiction fans! An illustration shows matter rushing forward from a singularity at the dawn of time during the Big Bang.
Scientists have redefined gravity to explain the Big Bang and perhaps change our picture of the earliest moments of the cosmos. This new framework of"quantum gravity" may explain aspects of the Big Bang that Albert Einstein's 1915 theory of gravity, general relativity, fails to account for — maybe even doing away with the challenging concept of a singularity existing prior to the dawn of the universe.
Proving the concept of quantum gravity is something of a holy grail for physicists, as it would bridge the gap between the explanation we have of the universe on vast cosmic scales , a remnant of the universe's first light. "These are among the few probes that can tell us directly about physics at extremely early times," Afshordi said.
"If future observations detect the right pattern of primordial gravitational waves, or other distinctive imprints in the CMB, that could provide a way to test whether this picture of the early universe is correct, or whether a more conventional explanation is needed. "Robert Lea is a science journalist in the U.K. whose articles have been published in Physics World, New Scientist, Astronomy Magazine, All About Space, Newsweek and ZME Science.
He also writes about science communication for Elsevier and the European Journal of Physics. Rob holds a bachelor of science degree in physics and astronomy from the U.K.’s Open University. Follow him on Twitter @sciencef1rst.
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