News

Hunt for water at Ceres goes underground

23 December 2016 Stephen Clark

NASA’s Dawn spacecraft has continued its survey of the dwarf planet Ceres this year, discovering rock-bound ice hidden just beneath the airless world’s rugged surface and a handful of icy outcrops inside craters in the northern hemisphere, raising hopes that Ceres could have once held a buried habitable ocean of liquid water.

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Festive nebulae light up Milky Way Galaxy satellite

23 December 2016 Stephen Clark

The sheer observing power of the Hubble Space Telescope is rarely better illustrated than in an image such as this. This glowing pink nebula, named NGC 248, is located in the Small Magellanic Cloud, just under 200,000 light-years away and yet can still be seen in great detail.

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Mars rover’s drill out of action

18 December 2016 Stephen Clark

The rock-coring drill fixed to the end of the Curiosity rover’s robot arm has suspended operations to allow engineers on the ground to diagnose, and officials hope correct, a problem traced to the mechanism that pushes the drill bit onto rocks to collect powder samples.

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Cassini beams back first images from new orbit

9 December 2016 Astronomy Now

NASA’s Cassini spacecraft has sent to Earth its first views of Saturn’s atmosphere since beginning the latest phase of its mission. The new images show scenes from high above Saturn’s northern hemisphere, including the planet’s intriguing hexagon-shaped jet stream.

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