Voyager’s Exit To The Stars…In 17,000 Years
April 8th, 2013 |
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Recent debates over whether or not the Voyager 1 spacecraft has ‘left the solar system’ typically leave out some critical details. The limits of the Sun’s particle radiation is not the physical edge of the contents of the solar system, but it is the point of changeover to the exceedingly tenuous atmosphere of matter and [...]
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Will This Be The Comet Of The Century?
February 6th, 2013 |
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NASA’s Deep Impact probe has captured images of Comet C/2012 S1 (ISON), as it moves past the orbital distance of Jupiter on what may be its first trip inwards to the Sun, and possibly a spectacular show. Comets are notoriously fickle beasts. Chunks of primordial rock, dust, and volatile ices that formed some 4.5 billion [...]
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