Comet Hale-Bopp Over Val Parola Pass

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zorg.ch #105697 by [z]Barbara Harris @ 03.03.2008 00:00 - nach oben - Comet Hale-Bopp Over Val Parola Pass Explanation: Comet Hale-Bopp, the Great Comet of 1997, became much brighter than any surrounding stars. It was seen even over bright city lights. Away from city lights, however, it put on quite a spectacular show. Here Comet Hale-Bopp was photographed above Val Parola Pass in the Dolomite mountains surrounding Cortina d'Ampezzo, Italy. Comet Hale-Bopp's blue ion tail, consisting of ions from the comet's nucleus, is pushed out by the solar wind. The white dust tail is composed of larger particles of dust from the nucleus driven by the pressure of sunlight, that orbit behind the comet. Observations showed that Comet Hale-Bopp's nucleus spins about once every 12 hours. digg_url = 'http://apod.nasa.gov/apod/ap080302.html'; digg_skin = 'compact'; Credit & Copyright