Could Comet ISON Produce a Meteor Shower?
Anticipation is building as Comet ISON plunges into the inner solar system for a close encounter with the sun in November 2013. Blasted at point-blank range…
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Anticipation is building as Comet ISON plunges into the inner solar system for a close encounter with the sun in November 2013. Blasted at point-blank range…
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NASA’s Kepler mission has discovered two new planetary systems that include three super-Earth-size planets in the “habitable zone,” the range of distance from a star where…
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ESA’s Herschel space observatory has discovered an extremely distant galaxy making stars more than 2000 times faster than our own Milky Way. Seen at a time…
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This beautiful aurora illuminates the sky over the snow-clad landscape near Tromsø, Norway. Bright aurora illuminating the sky over Norway (near Tromsø) on 17 February 2013.…
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Mars has lost much of its original atmosphere, but what’s left remains quite active, recent findings from NASA’s Mars rover Curiosity indicate. Rover team members reported…
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NASA’s Kepler space telescope has witnessed the effects of a dead star bending the light of its companion star. The findings are among the first detections…
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Ozone stinks. People who breathe it gag as their lungs burn. The EPA classifies ground-level ozone as air pollution. Yet without it, life on Earth would…
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Navigating space isn’t easy—there’s no air, water, or earth to push your spacecraft in another direction. Rocket fuels and gravity assist have been our best tools…
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The Cassini spacecraft observes three of Saturn’s moons set against the darkened night side of the planet. Saturn is present on the left this image but…
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Comets visible to the naked eye are a rare delicacy in the celestial smorgasbord of objects in the nighttime sky. Scientists estimate that the opportunity to…
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