Comet ISON arises like Phoenix from the dead – now what for Xmas?
ISON appears as a white smear heading up and away from the sun. Image Credit: ESA/NASA/SOHO/GSFC
On U.S. Thanksgiving Day, Comet ISON survived perihelion – its closest approach to the sun. Initial observations from NASA scientists were that ISON did not survive perihelion as it disappeared into...