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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Seventeen arches at sunset
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Art in the high desert
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Celebrating Flag Day
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Independence Day
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High seas commerce
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Mitsumata blossoms
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International Day of the Worlds Indigenous Peoples
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A snuggling ball of cute
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Space-age style by the sea
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In search of a ‘great’ pumpkin
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The Bahamas
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New Years Eve in Rio de Janeiro, Brazil
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World Space Week
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Porthcawl Lighthouse, Wales, UK
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World Population Day
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Kjell Henriksen Observatory
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A medieval celebration in the Mediterranean
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Channel Country, Australia
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Penguins can t fly!
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Its Halfway Day!
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Trunks stick together
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Headed to the High Country
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Let’s go foraging
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Castle Square, Old Town, Warsaw, Poland
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International Day for Biological Diversity
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Here s looking at you
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Devils Tower National Monument, Wyoming
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Solar Impulse 2 in Honolulu
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Badlands National Park turns 44
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A crested partridge