![]() But now astronomers believe they have made the first. The gravity is so strong because matter (the mass) has been squeezed into a tiny space. When black holes collide, the ensuing cosmic drama was assumed to play out under the cloak of darkness, given that both objects are invisible. What is a Black Hole?Ī black hole is a dense, compact object whose gravitational pull is so strong that – within a certain distance of it – nothing can escape, not even light.īlack holes are thought to result from the collapse of very massive stars at the ends of their evolution. Permanent darkness would fall on Earth, but the planets would continue to revolve. The black hole is outlined by emission from hot gas swirling around it under the influence of strong gravity near its event horizon. See answer (1) Best Answer Copy Although its not entirely known at the time, this is what is suspected: When a super-massive star implodes to create a supernova, the power of the stars gravity. For example, imagine replacing the Sun by a black hole of the same mass. (There is a supermassive black hole at the center of our galaxy - the Milky Way.) Using the Event Horizon Telescope, scientists obtained an image of the black hole at the center of the galaxy M87. The short linear feature near the center of the image is a jet produced by the black hole. Black Holes When a massive star runs out of fuel, its core collapses from the size of the Earth to a compact ball of neutrons just ten miles or so across. This image was captured by FORS2 on ESO's Very Large Telescope. The supermassive black hole imaged by the EHT is located in the center of the elliptical galaxy M87, located about 55 million light years from Earth. ![]()
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