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Quasar Artist's Impression How Galaxies Refuel

About this Image

This fascinating space wallpaper is an artist’s impression showing light from the heart of a background galaxy, which allowed scientists to explore how galaxies refuel. In this image, a quasar, the bright object to the left of the center, shines through gas traveling from the interstellar medium into the heart of the galaxy. This image was released July 4, 2013.

Credit: ESO/L. Calçada/ESA/AOES Medialab

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Space.com Staff
Space.com Staff,

Space.com is the premier source of space exploration, innovation and astronomy news, chronicling (and celebrating) humanity's ongoing expansion across the final frontier. We transport our visitors across the solar system and beyond through accessible, comprehensive coverage of the latest news and discoveries. For us, exploring space is as much about the journey as it is the destination. 

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