These images of the Andromeda galaxy use data from NASA’s retired Spitzer Space Telescope. Multiple wavelengths are shown in the image on the upper image, revealing stars, dust, and areas of star formation. The lower image shows dust only, making it easier to see the galaxy’s underlying structure. Credit: NASA/JPL-Caltechin Andromeda, revealing how these black holes can feed continuously without significant light fluctuation.
This close-up view of the center of the Andromeda galaxy, taken by NASA’s retired Spitzer Space Telescope, is annotated with blue dotted lines to highlight the path of two dust streams flowing toward the supermassive black hole at the galaxy’s center . Credit: NASA/JPL-Caltech, they found spirals of dust previously identified by Spitzer that fit within these constraints. From this, the authors concluded that the spirals are feeding Andromeda’s supermassive black hole.
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