Comet ISON: A Timeline of This Year's Sungrazing Spectacle
Wednesday, July 17, 2013 - 16:20
in Astronomy & Space
Comet ISON promises to light up the sky in late November when it skims just over the sun's surface. Here's a look at what scientists have learned about the comet since its discovery last year, and what to expect in the weeks and months ahead.