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How strong is the gravity on Mars?

The planets Earth and Mars have few things in common. Both planets have roughly the same amount of land surface area, sustained polar caps, and both have a similar tilt in their rotational axes, affording each of them strong ...

dateDec 19, 2016 in Space Exploration
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All eyes on Trump over Mars

The year 2016 has seen a rekindling of the human desire to conquer Mars, with public and private interests openly vying to take the first step on the Red Planet, possibly with a stopover on the Moon.

dateDec 16, 2016 in Space Exploration
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Where is the ice on Ceres?

At first glance, Ceres, the largest body in the main asteroid belt, may not look icy. Images from NASA's Dawn spacecraft have revealed a dark, heavily cratered world whose brightest area is made of highly reflective salts—not ...

dateDec 15, 2016 in Space Exploration
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Discovery improves heat transfer in boiling

While the average person associates boiling with cooking dinner, the process is also widely used to transfer heat across surfaces. It is used in refrigerators, in industrial boilers and even on the international space station ...

dateDec 14, 2016 in General Physics
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