Arquivo para April 25th, 2019

The sound of Gravitational attraction

25 Apr

The work was announced on February 11, 2016, confirming the theory of gravitational waves predicted by Einstein’s theory of relativity, where the LIGO Laboratory (laboratory of Gravitational wave Laser interferometer) along with the project Virgo, from the town of Cascina in Italy.

“We observe the first event in absolute which a collision does not produce observable data, except through gravitational waves. It lasted a fraction of a second, but the energy emerged was enormous, equivalent to three solar masses”, Ricci added.

The two holes formed a “couple”, that is, a binary system in which one orbited around the other, and they “had a mass of 29 to 36 times higher than the sun and approached an impressive speed near the light”.

“The closer they approached, the wider and more frequent the signal was, as an acute hum” said the scientist.

The work was published in the journal Physical Review Letters and was as impressive as the black hole recently photographed, with the difference that in the case of the black hole, in fact is a mass of dark matter, as we explained in another post.

But the phenomena are related because the origin of the phenomenon is in the collision of two holes (dark matter), which occurred a billion years ago, which made it present and doubly important the discovery, to explain gravity and black holes.

The video explains the phenomenon: