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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Chestnut-eared aracari in the Pantanal, Brazil
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Spectacular views below!
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Fly me to the moon
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Welcome to the Hoh
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Cape Town at dusk
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Sunburst at Angkor
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Canada Day
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Nuuk, Greenland
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World Lizard Day
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Old Rock Day
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Springtime in the Mediterranean
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Lake Pehoé, Torres del Paine National Park, Chile
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Cherry blossoms in Shanghai, China
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Dubrovnik, Croatia
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Back to the nest
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A tribute to the ancestors
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Elephant Rock, Al-Ula, Saudi Arabia
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Killer whales in Spildra, Norway
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Rosa Parks Day
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National Love a Tree Day
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Happy Mothers Day!
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Bardenas Reales Biosphere Reserve and Natural Park, Spain
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Aït Benhaddou, Morocco
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Dragon dance performed in Chenzhou, Hunan Province, China
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On the wings of the Wright brothers
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New Orleans for Mardi Gras
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Bellissima!
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Racing toward history
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Patriot Day
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Lionfish off the coast of Indonesia
Bing Wallpaper Gallery

