When NASA's Swift spacecraft observed the comet in January 2013, it was still near the orbit of Jupiter, but already very active. More than 112,000 pounds of dust were spewing from the comet's nucleus every minute.
It turns out, some of that dust might end up on Earth.
In a new ScienceCast video, experts discuss what might happen if Comet ISON peppers Earth's atmosphere with dust. Play it
"For several days around January 12, 2014, Earth will pass through a stream of fine-grained debris from Comet ISON," says Wiegert. "The resulting shower could have some interesting properties.
More - Link >>> http://science.nasa.gov/science-news/science-at-nasa/2013/19apr_isonids/
Source: NASA Science News.
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