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 →
As the U.S. celebrated Thanksgiving Day, Comet ISON suffered a pretty severe cosmic flesh wound as it flew perilously close to the sun. Continue reading →
Comets that stray too close to the sun have a very uncertain future. Some live to tell the tale, while others literally lose their tails.
Although Comet ISON appears to be holding its own against the increasing solar heat, the large mass of ice isn't getting away unscathed -- one or more large icy chunks appear to have broken away from the comet's nucleus. Continue reading →
It may or may not become the 'Comet of the Century' but Comet ISON is certainly a delight to see in the night sky. Here's how you can see the icy visitor before it makes close approach with the sun.
Want to track the potential "Comet of the Century" as it travels through the inner solar system? Now's your chance. Continue reading →
As Comet ISON approaches the sun, our space-based robotic explorers have been keeping close tabs on the inner-solar system visitor.
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