NEOWISE has discovered its first comet since the NASA mission was rebooted, but this 'dirty snowball' is a little... different. Continue reading →
Europe's Rosetta comet-chasing mission is a triumph in engineering, but none of it would have been possible without an intimate knowledge of Kepler's laws of planetary motion.
Europe’s Rosetta spacecraft ended a nearly three-year hibernation on Monday to prepare for an unprecedented mission to orbit a comet and dispatch a lander to the surface. Continue reading →
Europe’s Rosetta comet probe is due to end 31 months of deep space slumber with a wake-up call at 5 a.m. EST on Monday.
Europe’s Rosetta spacecraft is due to receive a wake-up call in January, ending its hibernation in preparation for an unprecedented mission to not only put itself into orbit around a comet, but also send a lander to the comet’s body.
With the sad demise of Comet ISON fresh in our minds, it's worth remembering that there's plenty more (and perhaps more impressive) lumps of space ice where that came from.
Sad news, comet fans: ISON is no more. It's a vaporized husk of its former self. A sublimated dirty snowball. Comet ISON is an ex-comet and this time it's not playing. Continue reading →
When Russian astronomers detected the 'virgin' Comet ISON in September 2012, the world was hoping for something a little bit special. But no comet is the same and the nature of 'dirty snowballs' is rarely predictable. Continue reading →
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