The Milky Way has billions of stars; among them, our own sun finds its place. The galaxy"s name is derived from the radiant, pale appearance of the band of stars and gas clouds that graces Earth"s sky. Methodical observations of the night sky started with early civilizations but astronomy, the oldest natural science, remains a source of fascination today. It"s what brings stargazers to Portugal"s Southwest Alentejo and Vicentine Coast Natural Park, a site free from heavy light pollution. Now"s a good time to seek out your own celestial spectacle, as it is Astronomy Week and the main event, Saturday"s Fall Astronomy Day, this year coincides with the autumnal equinox.
Fall Astronomy Week
Today in History
More Desktop Wallpapers:
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Desert bighorn sheep in Valley of Fire State Park, Nevada
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The long and wiggling path
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Prayer flags in Phobjikha Valley, Bhutan
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International Cheetah Day
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Autumn in Piedmont
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A wonder in winter
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Rock formations at Sedona, Arizona
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Groundhog Day
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Craig Goch Dam in the Elan Valley of Wales
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National Find a Rainbow Day
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Tom Turkey takes Manhattan
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A night on the (ghost) town
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Bohemian Switzerland
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Wayag Islands in the Raja Ampat Islands of Indonesia
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World Art Day
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Christmas Bird Count
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Chaco Culture National Historical Park, New Mexico
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Field of Light at Sensorio by Bruce Munro
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Festivus
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Boxing Day
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From pirate port to nature preserve
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The Cutty Sark turns 150
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Sweet! It’s maple syrup season
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The Pearl of Siberia
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Roman theater of Cartagena, Spain
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Jazzed for Mardi Gras
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The beach at Cala Luna, Sardinia, Italy
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A step toward freedom
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World Bicycle Day
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When Death Valley blew its top
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