Seeking The Black Hole At The Center Of Our Galaxy — popsci.com

"Any images we make are fuzzy, as though you're looking at a small light through frosted glass," says Shep Doeleman of the Harvard-Smithsonian Center for Astrophysics. So astronomers are linking 11 telescopes around the world into one Event Horizon Telescope (EHT), named for the spacetime boundary where the black hole's gravity prevents the escape of light and matter. When an upgraded ALMA joins in 2015, it should make EHT 10 times more sensitive and may help bring Sagittarius A*'s shadowy edge into focus.

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