In a worldwide press conference this morning, the Event Horizon Telescope Collaboration revealed the first direct images ever taken of Sagittarius A*, the supermassive black hole at the center of the Milky Way. This exciting first comes two years after the same collaboration of scientists released the first image ever taken of a black hole.
Nothing escapes a black hole, not even light. The only way we can see a black hole is by the luminous remnant streaks of whatever hapless stars it’s devouring. But there’s so much obscuring gas, dust and debris between us and the galactic center that only the longest wavelengths of infrared light can make it through to us. Nevertheless, our long-wave radio telescopes were able to capture this first image of Sagittarius A*.
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