Space Found: A Blue Planet That Rains Glass Back in the early 90’s, the Voyager 2 space probe, already out beyond Neptune and on its way toward the edge of the Solar System, swiveled its camera around to look back at its home world. It was difficult to see, but there, nearly three billion miles (4.8 billion km) away, lay Earth. Our entire planet, with all its flora and fauna and history and civilizations was nothing more than a blip of blue against the background of stars—an object so tiny and frail that the phrase “pale blue dot” inspired the great astronomer-communicator Carl Sagan to write a book about humanity’s future in space. Read more: science.time/2013/07/12/found-a-blue-planet-that-rains-glass/#ixzz2ZdLtqlOw
Posted on: Sun, 21 Jul 2013 00:04:50 +0000
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