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First image captured of black hole at center of Milky Way


Scientists call it the “gentle giant” of the Milky Way: a massive black hole called Sagittarius A*. It’s about 4 million times larger than the sun in our solar system. NBC News’ Tom Costello explains the history behind the monumental discovery and the facts about this phenomenon.

NRNews and Information Primetime Excerpt
Appearing:Lester Holt
Tags: health, International News, Lester Holt, Making A Difference, NBC Nightly News, National News, news, nightly news, U.S. News, Breaking News, Evening News, politics, World News


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