The first direct image of Sagittarius A*, the black hole at the center of the Milky Way.
Credit…Event Horizon Telescope Collaboration/National Science Foundation
Einstein’s insight led to a new conception of the cosmos, in which space-time could quiver, bend, rip, expand, swirl and even disappear forever into the maw of a black hole, an entity with gravity so strong that not even light could escape it. – Dennis Overbye
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