naturalsciences
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Astrophysicists Just Made a New Count of All the Dark Matter and Dark Energy in the Universe
A new analysis of more than 1,500 supernovae has put fresh precision on measurements of the dark matter and dark energy that permeate our universe.
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Black Hole Pukes Up Star Years After Eating It
In June 2021, a radio telescope in New Mexico picked up signs that a black hole had begun flinging material into space, the astrophysical equivalent of spitting up your food. But here’s the rub: It hadn’t eaten anything in years.
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A Hot Gas Bubble Is Swirling Around the Milky Way’s Black Hole
The supermassive black hole at the centre of the Milky Way galaxy is being circled by a bubble of hot gas, according to recent analysis by the Event Horizon Telescope Collaboration. The gas is whipping around the black hole at about 30% the speed of light.
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Bankrupt Crypto Broker Celsius Has New Plan to Become Hot Again, Codenamed ‘Kelvin’
Kelvin, as a temperature scale, uses “absolute zero” as its baseline. That lowest conceived temperature would effectively stop all particle activity due to a lack of any semblance of energy. That point of temperature has never been achieved, but failed crypto firm Celsius seems to want to get as close as it can to “absolute…