gravitational microlensing News
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Astronomers Observe Black Holes Devouring Matter
Jun 12th 2010 – 12:24PM
HO/AFP/Getty Images
(June 12) -- Astronomers at an Australian university have developed a new technique that lets them see matter falling into huge black holes millions of miles away. Their secret? Use a galaxy, a collection of millions of stars, as a lens. The gravitational pull of black holes compresses and super-heats the matter nearby,...
Background on gravitational microlensing
Gravitational microlensing is an astronomical phenomenon due to the gravitational lens effect. It can be used to detect objects ranging from the mass of a planet to the mass of a star, regardless of the light they emit.
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