SpaceWeather.com -- News and information about meteor showers, solar flares, auroras, and near-Earth asteroids

SpaceWeather.com — News and information about meteor showers, solar flares, auroras, and near-Earth asteroids

 

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In the movie, which spans a two+ day period from Nov. 20 to Nov. 22, the sun is to the right, off-screen. “The dark ‘clouds’ coming from that direction are density enhancements in the solar wind, and these are what are causing the ripples you see in the comet tails,” explains Karl Battams of NASA’s Comet ISON Observing Campaign.

Although the two comets seem to be experiencing the same solar wind, their tails ripple differently. “Encke has kind of long waves in the tail, whereas ISON’s seems almost like high-frequency puffs,” points out Battams.

 

http://spaceweather.com/

see the movie of it moving through space towards earth

http://science.nasa.gov/media/medialibrary/2013/11/24/ison_encke_nov19_22.gif

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