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” - 2 Chiara Mingarelli - 2 Albert Einstein - 1 Einstein - 1 We’ve - 1 Simonnet - 1 Scott Ransom - 1 “ - 1
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Search resuls for: "Chiara Mingarelli"


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☆ Astronomers ‘hear’ the celestial choir of gravitational waves for the first time
  + stars: | 2023-06-29 | by ( Ashley Strickland | ) edition.cnn.com   time to read: +7 min
CNN —Astronomers have been able to “hear” the celestial hum of powerful gravitational waves, created by collisions between black holes, echoing across the universe for the first time. Gravitational waves, initially predicted by Albert Einstein in 1916, are ripples in space-time that were first detected in 2015. Einstein theorized that gravitational waves would stretch and compress space as they moved across the universe, affecting how radio waves travel. More than 190 scientists set out to discover the frequencies of gravitational waves as part of the North American Nanohertz Observatory for Gravitational Waves collaboration, also known as NANOGrav. Searching for a celestial choirThe newly detected gravitational waves are the most powerful ever measured.
Persons: Albert Einstein, Einstein, ”, Chiara Mingarelli, We’ve, Simonnet, Scott Ransom, “, ” Ransom, Luke Kelley, ” Kelley, it’s, ” Mingarelli, “ It’s, Stephen Taylor Organizations: CNN —, American Nanohertz, Green Bank, Yale University, National Radio Astronomy, University of California, Vanderbilt University Locations: Arecibo, Puerto Rico, West Virginia, New Mexico, Berkeley, Europe, India, China, Australia
☆ The Cosmos Is Thrumming With Gravitational Waves, Astronomers Find
  + stars: | 2023-06-28 | by ( Katrina Miller | ) www.nytimes.com   time to read: +1 min
On Wednesday evening, an international consortium of research collaborations revealed compelling evidence for the existence of a low-pitch hum of gravitational waves reverberating across the universe. “I like to think of it as a choir, or an orchestra,” said Xavier Siemens, a physicist at Oregon State University who is part of the North American Nanohertz Observatory for Gravitational Waves, or NANOGrav, collaboration, which led the effort. Scientists said that, so far, the results were consistent with Albert Einstein’s theory of general relativity, which describes how matter and energy warp space-time to create what we call gravity. “The gravitational-wave background was always going to be the loudest, most obvious thing to find,” said Chiara Mingarelli, an astrophysicist at Yale University and a member of NANOGrav. “This is really just the beginning of a whole new way to observe the universe.”
Persons: ”, Xavier Siemens, Siemens, NANOGrav, Albert Einstein’s, Chiara Mingarelli Organizations: Oregon State University, American Nanohertz, Big Bang, Yale University
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