A little more than a year ago, humanity got its first good look at the most mysterious object of the vast universe. For the first time, astronomers had imaged a black hole, which was lurking on the ...
Albert Einstein can rest a little easier: The first effort to measure how quickly gravity exerts its influence indicates that it more or less matches the speed of light, scientists reported Tuesday.
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Two stars spiraling toward catastrophe are putting Einstein's gravity to the test
The two stars in the nearby system ZTF J2130 are spiraling toward a catastrophic supernova. In the meantime, scientists are ...
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