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Further Reading




C,
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. Crockett. Advice to a baby planet: Avoid black holes. Science News Online, June 26,
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, 2015.

C. Crockett. Unlikely nursery for n...ext to massive black hole. Science News Online,
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, March 24, 2015.

R,
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. Cowen. Milky Way's black hole may blow bubbles,
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. Science News. Vol. 178, December 4, 2010,
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, p. 18.



GRAPEVINE, TEXAS — The gargantuan black hole at the center of the Milky Way is a little like an unruly kid, hurling spitballs. But unlike a child’s arsenal, these spitballs are roughly the size of a planet and can travel fast enough to shoot out of the galaxy. Some might even zip right by our solar system.
Stars that pass too close to the black hole can be shredded by the intense gravity. Previous simulations have shown that within these strands of stellar debris,
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, gas can clump back together into balls roughly the mass of Jupiter that are then launched away at several thousand kilometers per second. What happens to these blobs was unknown.
About 95 percent are launched so fast that they escape the gravity of the Milky Way and fly into intergalactic space, Eden Girma, an undergraduate at Harvard University, said January 6 in a news conference at a meeting of the American Astronomical Society. Girma and James Guillochon, an astrophysicist at the Harvard-Smithsonian Center for Astrophysics, developed computer simulations to figure out the fate of these galactic spitballs. Those that don’t escape get stuck in orbits just a few hundred light-years from the black hole.

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