Here are some interesting links on comet behavior if anyone is interested. They do not behave like the snowballs I knew and loved growing up in Maine.
1. Plasma radiation<http://www.agu.org/pubs/crossref/1993/93JA02532.shtml> 2. Gamma radiation<http://www.google.com/url?sa=t&rct=j&q=&esrc=s&source=web&cd=4&cad=rja&ved=0CEcQFjAD&url=http%3A%2F%2Fnews.discovery.com%2Fspace%2Fchristmas-day-gamma-ray-burst-comet-death-111130.html&ei=2A2RUN2XJoSQ9gTSgIH4Bw&usg=AFQjCNG20rg3mbElnetMLYJKcOVaRzbSOg&sig2=RX4YiR6dN1G2qUmdWbZqVA> 3. X-ray radiation<http://science.nasa.gov/science-news/science-at-nasa/2000/ast23aug_1m/> 4. Ultraviolet radiation<http://www.lpi.usra.edu/books/CometsII/7014.pdf> 5. Visible radiation<http://news.discovery.com/space/comet-elenin-wont-kill-us-says-nasa-110817.html> 6. Infrared radiation<http://www.nasa.gov/mission_pages/WISE/news/wise20100211.html> 7. Terahertz radiation<http://ieeexplore.ieee.org/xpl/login.jsp?tp=&arnumber=6005336&url=http%3A%2F%2Fieeexplore.ieee.org%2Fiel5%2F5503871%2F6005317%2F06005336.pdf%3Farnumber%3D6005336> 8. Microwave radiation<http://adsabs.harvard.edu/full/1977ApJ...218..573H> 9. Radio waves <http://science.hq.nasa.gov/kids/imagers/ems/radio.html> On Sun, Feb 3, 2013 at 4:25 PM, Axil Axil <janap...@gmail.com> wrote: > http://www.youtube.com/watch?v=GwidzVHvbGI&feature=player_embedded > > more info in this video. > > Cheers: Axil > > On Sun, Feb 3, 2013 at 4:08 PM, Jones Beene <jone...@pacbell.net> wrote: > >> On Feb. 15, a week from Friday - a decent sized asteroid will come >> extremely >> close to Earth... within the orbit of many satellites, it would seem ... >> >> NASA sez: "we've never seen an object this big get so close to Earth." >> >> How close exactly? 17,200 miles. >> >> I would like to think that the "Pleiades" supercomputer of NASA (or >> another >> one) would have already cross-checked the orbits of all the large >> satellites, including those of Russia - which are within the path of this >> asteroid - and determined that in the unlikely event it hit something >> fairly >> large in Earth orbit, the asteroid orbit could not be deflected >> substantially enough to be at risk. >> >> Surely that has been done, right ...? >> >> Jones >> >> >
