Comet ISON, once thought to be a 'Great Comet' or "Comet of the Century' has been officially declared dead.
Not resting, but dead.
Naval Research Lab astronomer Karl Battams, who headed the observing campaign for the comet, said ISON (EYE'-sahn) was stretched and pulled by the sun's powerful gravity. It was also hit with solar radiation. And the icy snowball just fell apart. ⓐ
"At this point it seems like there is nothing left," Battams said at the American Geophysical Union conference in San Francisco. "Sorry, everyone, Comet ISON is dead. But its memory will live on." ⓐ
Comets are balls of dust and ice from the formation of the solar system billions of years ago. ISON is on its first trip after leaving the Oort cloud on the distant fringes of the solar system. Unlike comets that are "hardened" by several trips around the sun, ISON just couldn't survive its maiden voyage, Battams said. ⓑ
Image: Comet ISON approaches the sun on Nov. 25. © The Christian Science Monitor.
Auf dem unten verlinkten Blog der Astronomen und gibt es Live-Updates und Links zu anderen Seiten, die sich mit dem Thema befassen.
Genauer beschrieben ist das im Artikel mit dem sinnigen Titel "Schrödingers Komet": http://www.planetary.org/blogs/guest-blogs/2013/11281948-schroedingers-comet.html
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