Spitzer space telescope


Spitzer Space Telescope (formerly the Space Infrared Telescope Facility [SIRTF]) is an infrared space observatory, the fourth and final of NASA’s Great Observatories. The first images taken by SST were designed to show off the…

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The Spitzer photo atlas of galactic ‘train wrecks’


Related images (click to enlarge) Five billion years from now, our Milky Way galaxy will collide with the Andromeda galaxy. This will mark a moment of both destruction and creation. The galaxies will lose their…

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