Deep in western Russia, if you know where to look, you’ll find a small collection of ragged scrap metal and crumbled concrete. Which isn’t that exciting. But if you rifle through the rubble, you will find a large, metal disc bolted to the ground. This isn’t just any old disc – it’s the welded-shut cap of
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A veteran explorer is leisurely orbiting the only dwarf planet in the inner solar system. Measuring space radiation high over Ceres, Dawn revolves once every 30 days in its gravitational master’s firm grip. Dawn is well-known for its patience, and the pace of its activities has been decidedly relaxed in this orbit. That is about
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Isn’t it beautiful? This is an illustrated logarithmic scale conception of the observable Universe with the Solar System at the centre. Encircling the Solar System are the inner and outer planets, Kuiper belt, Oort cloud, Alpha Centauri star, Perseus Arm, Milky Way galaxy, Andromeda galaxy, other nearby galaxies, the cosmic web, cosmic microwave radiation, and invisible
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Dawn has now logged 4 billion miles (6.4 billion kilometers) on its unique deep-space adventure. Sailing on a gentle breeze of xenon ions, the ambitious explorer journeyed for nearly four years to what had been only a small, fuzzy orb for over two centuries of terrestrial observations. Dawn spent more than a year there transforming
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