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Could there be another planet behind the sun?

If you've read your share of sci-fi, and I know you have, you've read stories about another Earth-sized planet orbiting on the other side of the Solar System, blocked by the Sun. Could it really be there?

dateFeb 24, 2015 in Astronomy
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Are we independent of rare metals?

Numerous metallic elements are regarded as "critical": on one hand, they play an ever more important role in so-called future technologies and on the other, there is a high risk of supply bottlenecks. Small and medium-sized ...

dateFeb 24, 2015 in Energy & Green Tech
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'Pale blue dot' images turn 25

Valentine's Day is special for NASA's Voyager mission. It was on Feb. 14, 1990, that the Voyager 1 spacecraft looked back at our solar system and snapped the first-ever pictures of the planets from its perch ...

dateFeb 16, 2015 in Space Exploration
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A full day on Pluto-Charon

This time-lapse "movie" of Pluto and its largest moon, Charon, was recently shot at record-setting distances with the Long-Range Reconnaissance Imager (LORRI) on NASA's New Horizons spacecraft. The movie ...

dateFeb 13, 2015 in Space Exploration
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