Science Scanner: All Systems ‘Go’ for Comet Touchdown, Cigarette Ash Removes Arsenic from Water, Is Earth’s Magnetic Field Ready to Flip?, Building the World’s Biggest Cosmic Ray Detector

Rosetta’s Philae Lander Given Green Light for Comet Touchdown in November The European Space Agency announced that all systems are ‘go’ for the Rosetta Mission to send its Philae lander to the surface of comet 67P/Churyumov-Gerasimenko on November 12, 2014. This will the first-ever attempt of a soft touchdown landing on a comet. A month […]