This is what a black hole looks like.
A world-spanning network of telescopes called the Event Horizon Telescope zoomed in on the supermassive monster in the galaxy M87 to create this first-ever picture of a black hole.
“We have seen what we thought was unseeable. We have seen and taken a picture of a black hole,” Sheperd Doeleman, EHT Director and astrophysicist at the Harvard-Smithsonian Center for Astrophysics in Cambridge, Mass., said April 10 in Washington, D.C., at one of seven concurrent news conferences. The results were also published in six papers in the Astrophysical Journal Letters.
“We’ve been studying black holes so long, sometimes it’s easy to forget that none of us have actually seen one,” France Córdova, director of the National Science Foundation, said in the Washington, D.C., news conference. Seeing one “is a Herculean task,” she said. (More at this Link)
Showing posts with label black hole. Show all posts
Showing posts with label black hole. Show all posts
Thursday, April 11, 2019
"We have seen what we thought was unseeable"
Thursday, February 11, 2016
"Gravitational waves: discovery hailed as breakthrough of the century"
The Guardian: The announcement is the climax of a century of speculation, 50 years of trial and error, and 25 years perfecting a set of instruments so sensitive they could identify a distortion in spacetime a thousandth the diameter of one atomic nucleus across a 4km strip of laser beam and mirror.
The phenomenon was detected by the collision of two black holes. Using the world’s most sophisticated detector, the scientists listened for 20 thousandths of a second as the two giant black holes, one 35 times the mass of the sun, the other slightly smaller, circled around each other.
At the beginning of the signal, their calculations told them how stars perish: the two objects had begun by circling each other 30 times a second. By the end of the 20 millisecond snatch of data, the two had accelerated to 250 times a second before the final collision and dark merger.
The observation signals the opening of a new window on to the universe.
“This is transformational,” said Prof Alberto Vecchio, of the University of Birmingham, and one of the researchers at Ligo. “This observation is truly incredible science and marks three milestones for physics: the direct detection of gravitational waves, the first detection of a binary black hole, and the most convincing evidence to date that nature’s black holes are the objects predicted by Einstein’s theory.”
Meanwhile... Observations closer to home reveal a long time gravitational wave... if you will.
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| Man withdrawing cash from ATM in Thailand. |
Monday, October 27, 2014
Thursday, March 20, 2014
"CNN’s Don Lemon: ‘Is It Preposterous’ to Think a Black Hole Caused Flight 370 to Go Missing?"
"CNN’s Don Lemon has been entertaining all sorts of theories about the missing Malaysian Airlines Flight 370, including the chance something “supernatural” happened, but on Wednesday night, he actually asked panelists about the possibility a black hole was involved."
"Lemon brought this up along with other “conspiracy theories” people have been floating on Twitter, including people noting the eerie parallels to Lost and The Twilight Zone, and wondered, “is it preposterous” to consider a black hole as a possibility?"
"Lemon brought this up along with other “conspiracy theories” people have been floating on Twitter, including people noting the eerie parallels to Lost and The Twilight Zone, and wondered, “is it preposterous” to consider a black hole as a possibility?"
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