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We know that dark matter exists, but, irritatingly, we don’t know what it is. One way to figure that out is to look for signs of it here on Earth, using subatomic particle detectors. But a new idea just published in a scientific journal is that we need to go bigger. A lot bigger: Using entire exoplanets as detectors. I give them points for thinking originally, for sure. matter directly. It affects the way galaxies rotate, the way galaxies behave in clusters, the way clusters affect the light of objects behind them, and a host of other things, too. We know it exists. And over the decades people have looked for it, but almost everything that could possibly work has been eliminated. It’s not teeny black holes, or rogue planets, or cold gas. Nothing made of normal matter works, leaving only “exotic” subatomic particles like axions as candidates. Attempts have been made to look for those, too, but so far zip. ....
mediacongo.net - Actualités - Pour trouver la matière noire, nous devrions peut-être nous intéresser aux exoplanètes et aux naines brunes mediacongo.net - get the latest breaking news, showbiz & celebrity photos, sport news & rumours, viral videos and top stories from mediacongo.net Daily Mail and Mail on Sunday newspapers.
Using exoplanets as dark matter detectors In the continuing search for dark matter in our universe, scientists believe they have found a unique and powerful detector: exoplanets. In a new paper, two astrophysicists suggest dark matter could be detected by measuring the effect it has on the temperature of exoplanets, which are planets outside our solar system. This could provide new insights into dark matter, the mysterious substance that can’t be directly observed, but which makes up roughly 80% of the mass of the universe. “We believe there should be about 300 billion exoplanets that are waiting to be discovered,” said Juri Smirnov, a fellow at The Ohio State University’s Center for Cosmology and Astroparticle Physics. ....
Detecting Dark Matter in Exoplanets April 22, 2021• Physics 14, s46 Measuring the temperatures of massive exoplanets could reveal the effect of dark matter, potentially allowing researchers to confirm the galactic distribution of this mysterious substance. Artsiom P/stock.adobe.com × For dark matter detectors, bigger is usually better, as that means that the detector can potentially interact with more dark matter particles. But even the largest are tiny compared to a newly proposed detector [1]. Rebecca Leane of the SLAC National Accelerator Laboratory at Stanford University and Juri Smirnov of Ohio State University, Columbus, suggest searching for dark matter by measuring its effect on the temperatures of exoplanets and brown dwarfs up to 55 times the mass of Jupiter. With tens of thousands of suitable exoplanets expected to be found in the next five years, these measurements could detect or rule out dark matter particles with masses greater than ....
E-Mail COLUMBUS, Ohio - In the continuing search for dark matter in our universe, scientists believe they have found a unique and powerful detector: exoplanets. In a new paper, two astrophysicists suggest dark matter could be detected by measuring the effect it has on the temperature of exoplanets, which are planets outside our solar system. This could provide new insights into dark matter, the mysterious substance that can t be directly observed, but which makes up roughly 80% of the mass of the universe. We believe there should be about 300 billion exoplanets that are waiting to be discovered, said Juri Smirnov, a fellow at The Ohio State University s Center for Cosmology and Astroparticle Physics. ....