Collaboration LIGO (Laser Interferometric Gravitational Observatory) a second time recorded disturbances of space-time — gravitational waves. A study published in the journal Physical Review Letters, briefly about it it is reported on Wednesday, June 15, edition of EurekAlert!+
Gravitational waves, as shown by scientists, originated in the merger of pairs of black holes, 14 and eight times heavier than the Sun. This led to the formation of a massive object, which is heavier than the Sun 21 times and release energy in the form of gravitational waves, equivalent to one solar mass.
Merging black holes happened 1.4 billion years ago, and the signal from the event the collaboration has recorded 26 Dec 2015 03:39 GMT. The LIGO detectors located in Livingston, Louisiana and Hanford (Washington) in the USA found it with the difference in time 1.1 milliseconds. This allows to estimate the location of the signal source.
Gravitational waves were first registered September 14, 2015 gravitational wave Observatory LIGO. The disturbance spawned a pair of black holes (29 and 36 times heavier than the Sun) before merging into a more massive rotating gravitational object (62 times heavier than the Sun) that took place 1.3 billion years ago.
Observatory LIGO is funded by the National science Foundation of the USA and is built according to the proposed in 1980, the initiative of the us physicists Kip Thorne and Ronald Dreaver. The cost of installation is estimated at 370 million dollars. The studies are in progress under the collaboration of more than a thousand scientists from the USA and 14 other countries, including Russia, represented by two groups from Moscow state University and Institute of applied physics of the Russian Academy of Sciences (Nizhny Novgorod).
In the fall of 2016 the launch of the Advanced LIGO, whose detectors up to two times more sensitive than LIGO. Also by the end of autumn to the work of American collaboration will join the European Observatory.
Congratulations @ridik! You received a personal award!
You can view your badges on your Steem Board and compare to others on the Steem Ranking
Vote for @Steemitboard as a witness to get one more award and increased upvotes!
Good thoughts