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Sagittarius A*

    Sagittarius A*—pronounced Sagittarius A star—is the supermassive black hole at the center of the Milky Way galaxy, our galactic home. It is a huge source of radio emissions and may be the reason our galaxy… Read More »Sagittarius A*


      One of the largest and most massive things in our universe is a black hole. This is an image of the event horizon around the first black hole ever directly imaged by the Event Horizon… Read More »M87