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Trio of Big Black Holes Spotted In Galaxy Smashup 74

Posted by samzenpus
from the there's-something-you-don't-see-every-day dept.
sciencehabit writes Astronomers staring across the universe have spotted a startling scene: three supermassive black holes orbiting close to one another, two of them just a few hundred light-years apart. The trio, housed in a pair of colliding galaxies, may help scientists hunting for ripples in spacetime known as gravitational waves.
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Trio of Big Black Holes Spotted In Galaxy Smashup

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  • by Thanshin (1188877) on Friday June 27, 2014 @04:49AM (#47331061)

    "What can be more palpably absurd than the prospect held out of locomotives traveling twice as fast as stagecoaches?" - The Quarterly Review, March, 1825.

    "That the automobile has practically reached the limit of its development is suggested by the fact that during the past year no improvements of a radical nature have been introduced." - Scientific American, January 2, 1909.

    "A rocket will never be able to leave the Earth's atmosphere." - The New York Times, January 13, 1920

    "To place a man in a multi-stage rocket and project him into the controlling gravitational field of the moon where the passengers can make scientific observations, perhaps land alive, and then return to earth—all that constitutes a wild dream worthy of Jules Verne. I am bold enough to say that such a man-made voyage will never occur regardless of all future advances." - Lee De Forest, 1957

    They are 4.3 billion light-years away. They have already orbited each other a thousand full cycles since the observation (Well, you know what I mean.)
    and they will spin another thousand before anything from here can reach them.

  • Re:Please explain (Score:3, Informative)

    by Taco Cowboy (5327) on Friday June 27, 2014 @05:01AM (#47331079) Journal

    The article states

    If the two black holes composing the newfound pair are equally distant from Earth, they're just 450 light-years apart and orbit each other every 4 million years

    Can someone explain, or is this a typo? Do they not know if they're the same distance?

    I ain't a space scientist, and I hope that what I say is correct --- please correct me if I am wrong --- what TFA is saying is, Black Hole 1 (Point A) and Black hole 2 (Point B) are spinning with each others and we are at a fixed reference point (Point C)

    In other words, Point A, Point B and Point C make up a triangle, with Point A and Point B spinning with each other.

    What TFA suggests is that when Black Hole 1 (Point A) and Black Hole 2 (Point B) happens to link to the fixed reference point (Point C) in which the distance of AC = BC , the distance of AB = 450 Light Years

    As I have said, I ain't a space scientist, if I am incorrect, please correct me, thank you !

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