Onceagain,scientistshavedetectedgravitationalwaves—ripplesinthefabricofspaceandtimecreatedbyobjectsmovingthroughouttheUniverse.Andthistime,thecelestialsignalste
Threebillionyearsago,inathirdofasecond,twoblackholescrashedintoeachotherandmergedintoasingleentity,convertingtwosolarmassesintoenergythatshookthefabricofspaceti
This event, dubbed GW151226, was seen on December 26th at 03:38:53 (in Universal Coordinated Time, also known as Greenwich Mean Time), near the end of LIGO's first observing period ("O1"), and was immediately nicknamed "the Boxing Day event".
In a historic announcement, scientists said Thursday they have for the first time directly detected the existence of gravitational waves, which were predicted 100 years ago by Albert Einstein's theory of general relativity, one of the two pillars of modern physics.
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