У вашего броузера проблема в совместимости с HTML5
The comet Elenin will approach the Earth on Oct-11-2011.It will be at 0.2 AU,closer than our own Sun.Check the links.
http://www.cfht.hawaii.edu/en/gallery/cloudcams/index.php?opts=movies&moviefile=data/movies/Mar29.mp4
http://ssd.jpl.nasa.gov/sbdb.cgi?sstr=C%2F2010%20X1;orb=0;cov=0;log=0;cad=1#cad
http://secchi.nrl.navy.mil/STEREOorbit/C2010_X1.html