Tag: gravity
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August’s kilonova in NGC 4993
Robert Naeye for Astronomy magazine, on the instrumentation that detected a 130M year-old kilonova: The LIGO and Virgo instruments detected a crescendo of waves for a whopping 100 seconds — much longer than previous detections. The duration, amplitude, and frequency of the waves had all the characteristics that theorists have expected for a binary system…
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Kip Thorne wins the Nobel
Nobel Media AB: On 14 September 2015, the universe’s gravitational waves were observed for the very first time. The waves, which were predicted by Albert Einstein a hundred years ago, came from a collision between two black holes. It took 1.3 billion years for the waves to arrive at the LIGO detector in the USA.…