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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Pascua Florida Day
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Where the wildflowers grow
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A ‘circus of chaos’ for Stravinsky
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Nesting season for the leatherbacks
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Ceremony Hall at Sweden s Icehotel
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When in Rome...celebrate Saturnalia
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The lemurs of Madagascar
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Steyr River, Austria
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World Elephant Day
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Go Fly a Kite Day
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Why do elephants hide in trees?
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National Umbrella Day
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Moselle River loop near Kröv, Germany
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Happy Birthday, Eiffel Tower
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Male kori bustard, Maasai Mara National Reserve, Kenya
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A day for the dolphins
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Rock of ages
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National Park Week: Yosemite National Park, California
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Indigo bunting
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A medieval Moorish gem
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Midsummer in Sweden
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Anniversary of Bryce Canyon National Park
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Honoring the first American woman in space
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International Sloth Day
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Sea Otter Awareness Week
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Bow Bridge in Central Park, New York City
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Congratulations, 2019 Nobel Prize laureates!
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The most Instagrammable bird?
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Atlanta Botanical Garden
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Marshland, Gloucester, MA
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