Gas and Dust Seen Swirling Around our Galaxy’s Supermassive Black Hole

ALMA images show gas and dust swirling around the supermassive black hole at the center of the Milky Way. Image Credit: ALMA (ESO/NAOJ/NRAO)/ J. R. Goicoechea (Instituto de FĂ­sica Fundamental, CSIC, Spain)

At the heart of the Milky Way Galaxy lurks a Supermassive Black Hole (SMBH) named Sagittarius A* (Sag. A-star). Sag. A* is an object of intense study, even though you can’t actually see it. But new images from the Atacama Large Millimetre/sub-millimetre Array (ALMA) reveal swirling high-speed clouds of gas and dust orbiting the black hole, the next best thing to seeing the hole itself.

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