Rocks baffle astronomers
The Cassini spacecraft’s closest fly-by yet of Saturn’s moon Enceladus, on 14 July, has revealed strange surface features seen nowhere else in the solar system. Its icy surface appears to be strewn with boulders up to 20 metres wide. Astronomers, who had expected a smooth or cratered surface, are at a loss to explain this anomaly.
Skiing in Antarctica
The British Antarctic Survey’s new base on the Brunt Ice Shelf will be built on skis. If the base is in danger of being stranded on a section of ice breaking away from the shelf, the 12 modules can be towed to safety.…
