Wednesday, July 17, 2013

Astronomers observe unique encounter | Black hole shreds ... - IMAGE

Garching – astronomers have for the first time watched as the gigantic black hole ripping a gas cloud in the center of the Milky Way


black holes can arise from large collapsed Stars. They have such a wide appeal that neither material nor light can escape from them.

The display of the gas cloud in the encounter with the black hole at the center of the Milky Way

Photo: ESO / S. Gillessen

“This is unique. That a gas cloud will disappear in a black hole. This has never been seen before, “says Lars Lindberg Christensen, spokesman for the European Southern Observatory (ESO) in Garching, told Bild.

2011 astronomers had discovered using the Very large Telescope (VLT) at ESO Chile into a gas cloud that accelerates towards black holes in the galaxy is moving toward center then.

center edge
 elliptical galaxy NGC 1277 (arrow) is 250 million light years from Earth in the Perseus cluster of galaxies. rages, where the newly discovered black holes giant maw

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new VLT observations show now how this cloud is being substantially delayed in the strong gravitational field of the black hole in the length.

“You can see exactly how the cloud changes into a regular spaghetti,” said the head of the ESO observation team, Stefan Gillessen.

At a minimum distance of 25 billion kilometers to the gravitational monster it creates the cloud “just now so, not directly into the black hole falling into it,” said Gillessen further that at the Max Planck institute of Extraterrestrial Physics conducts research in Garching.

By stretching the cloud is weaker and more difficult to observe. Nevertheless, the astronomers were able to measure the speeds of the different cloud components in the immediate vicinity of the black hole.

“The exciting thing to new measurements is that we currently see the front part of the cloud has come back to us – and this at a web speed of more than ten million kilometers per hour, or about one percent the speed of light”, explains the scientist Genzel, Reinhard.

the forecast of the research teams.’m completely torn in the cloud over the next year

A virtual tour of the European Southern Observatory (ESO), Chile.

source: European Southern Observatory

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