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Here are a few really cool astronomy wallpaper images. To put one of these pictures on your desktop, you want to click on the image to see a larger version. Then right-click on the image and there should be an option to make that image your desktop background image.
This is an astronomy wallpaper image of the Helix Nebula captured by NASA’s Spitzer Space Telescope. This amazing nebula is only located about 700 light years from Earth, and it’s an image of what our Sun might look like after it expands as a red giant in about 7 billion years.
This is an amazing wallpaper of Saturn’s moon Enceladus. You can see the vents of water ice blasting out of the surface of Enceladus, near its south pole. Astronomers think there might be liquid oceans underneath the ice crust on Enceladus.
This is an amazing photograph of Earth taken by ESA’s Rosetta Spacecraft. It took this image during a flyby, but Rosetta’s true destination is the comet Churyumov-Gerasimenko; it’s due to arrive in 2014.
This is an image of the spiral galaxy M83 taken by the refurbished Hubble Space Telescope.
This is another Hubble Space Telescope image of the Ring Nebula. It’s a great example of a planetary nebula, the remains of a dead star that has blown away its outer atmosphere.
If you’d like to go out and get some astronomy wallpapers on your own, there are some great resources available. For starters, check out the Astronomy Picture of the Day (APOD), and then you should download some of the amazing wallpapers from NASA/JPL.
We’ve recorded many episodes of Astronomy Cast about astronomy. Listen here, Episode 88: The Hubble Space Telescope.