
Comet of the Century? Sun-Grazing Comet ISON Explained (Infographic)
Editor’s Update (Nov. 27): Comet ISON is just one day away from its close encounter with the sun on Thanksgiving Day (Nov. 28). The comet will be just 684,000 miles (1.1 million kilometers) from the sun’s surface when it makes its close approach. It is still uncertain if the comet will survive the encounter. If it does survive, the comet could once more be visible to the unaided eye in early December. Latest Story: Comet ISON’s Thursday Sun Encounter a Thanksgiving Feast for NASA Named after the International Scientific Optical Network, Comet ISON — officially designated “C/2012 S1 (ISON) — … Continue reading Comet of the Century? Sun-Grazing Comet ISON Explained (Infographic)