NASA Scientists Predict Black Hole Light Echo Show
U.S. Newswire, January, 2008
To: STATE EDITORS
Contact: Robert Naeye or Rob Gutro of NASA's Goddard Space Flight Center, Greenbelt, Md., AAS Press Room, 1-512-404-4604, or 1-301- 286-4044
GREENBELT, Md., Jan. 10 /PRNewswire-USNewswire/ -- Its well known that black holes can slow time to a crawl and tidally stretch large objects into spaghetti-like strands. But according to new theoretical research from two NASA astrophysicists, the wrenching gravity just outside the outer boundary of a black hole can produce yet another bizarre effect: light echoes.
"The light echoes come about because of the severe warping of spacetime predicted by Einstein," says Keigo Fukumura of NASAs Goddard Space Flight Center in Greenbelt, Md. "If the black hole is spinning fast, it can literally drag the...
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