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Spiral Galaxy NGC 7331

2022-09-27 - By measuring the speed of stars and gases orbiting around the centre of galaxies like this one, spiral galaxy NGC 7331, scientists can determine how much total mass they contain. (Credits: ESA/Hubble, NASA/D. Milisavljevic [Purdue University])

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File size: 0.27 MB
Image size: 1280 x 957 pixels
Resolution: 72 dpi

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