Space is a big, lonely place, so it"s nice to know we have neighbors. The pictured Andromeda galaxy is our Milky Way"s closest neighbor—right next door at 2.5 million light-years away. Our cordial relationship with Andromeda goes back about 10 billion years to when both galaxies were still forming. But trouble is brewing: Andromeda is on a collision course with the Milky Way, due for impact in 4 billion years. This neighborhood"s about to get rough…
Hey neighbor, it s World Space Week!
Today in History
More Desktop Wallpapers:
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Art in the chapel
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The Old City of Bern
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Wild and beautiful Alaska
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AAPI Heritage Month & Lei Day
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Cloudy with a chance of enlightenment
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Pumpkin patch
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A different kind of dive
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Sea Otter Awareness Week
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Star Wars Day
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Arbor Day
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Guiding ships to safety
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Sibiu Christmas market, Romania
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Great Sand Dunes National Park and Preserve
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The city of Osaka at night, Japan
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Art and soul
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Spring blooms in the Netherlands
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Arbor Day
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International Day of the Tropics
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Ostuni, Apulia, Italy
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Icelandic horses, Iceland
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Keep calm and drive on (slowly)
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Collared aracari in Costa Rica
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World Bee Day
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Rainbow River, Rainbow Springs State Park, Florida
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National Park Week: Guadalupe Mountains National Park
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World Penguin Day
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Coral Reef Awareness Week
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Commemorating peace in Antarctica
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Góða ólavsøku, from the Faroes!
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National Hispanic Heritage Month
Bing Wallpaper Gallery

