Science editor Alan Boyle's blog: Comet ISON is still too dim to be seen with the naked eye, but fresh images track what skywatchers hope will become the "Comet of the Century" nine months from now.Wednesday, 6 February 2013
Pictures preview the 'Comet of the Century'
Science editor Alan Boyle's blog: Comet ISON is still too dim to be seen with the naked eye, but fresh images track what skywatchers hope will become the "Comet of the Century" nine months from now.