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ScienceDaily: Space & Time News |
| Challenging Einstein’s greatest theory with extreme stars Posted: 13 Dec 2021 08:17 AM PST Researchers have conducted a 16-year long experiment to challenge Einstein's theory of general relativity. The international team looked to the stars - a pair of extreme stars called pulsars to be precise -- through seven radio telescopes across the globe. And they used them to challenge Einstein's most famous theory with some of the most rigorous tests yet. The study reveals new relativistic effects that, although expected, have now been observed for the first time. |
| Super-bright stellar explosion is likely a dying star giving birth to a black hole or neutron star Posted: 13 Dec 2021 08:16 AM PST A powerful cosmic burst dubbed AT2018cow, or 'the Cow,' was much faster and brighter than any stellar explosion astronomers had seen. They have now determined it was likely a product of a dying star that, in collapsing, gave birth to a compact object in the form of a black hole or neutron star. |
| High-tech sleeping bag could solve vision issues in space Posted: 09 Dec 2021 09:42 AM PST Researchers found that while just three days of lying flat induced enough pressure to slightly alter the eyeball's shape, no such change occurred when the suction technology was used. |
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