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The Heart of the Whirlpool Galaxy
The Whirlpool galaxy, M51, has been one of the most photogenic galaxies in amateur and professional astronomy. Easily photographed and viewed by smaller telescopes, this celestial beauty is studied extensively in a range of wavelengths by large ground- and space-based observatories. This Hubble composite image shows visible starlight as well as light from the emission of glowing hydrogen, which is associated with the most luminous young stars in the spiral arms.
Internet Explorer users
Right Click on the image and select Set as Background.
Netscape Navigator users
Right Click on the image and select Set as Wallpaper.
Mac users
Hold down the mouse button over the image and wait for the menu.
Choose Save Image As.
Open the control panel to Desktop Pictures.
Click Select Picture and load the file you just saved.
Choose Position Automatically.
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Galaxies