Photograph from March 1997 shows the two tails shed by Comet Hale-Bopp. Offered as the December 27, 2000 Astronomy Picture of the Day.

Telescopic view of the faint fluorescent cloud, the only sign marking the passage of the Comet LINEAR in August 2000.

Computer-enhanced, composite image taken from the European Southern Observatory's Antu telescope reveals fragments of Comet LINEAR.

Photograph taken by the Hubble Space Telescope reveals some of the fragments from Comet LINEAR's nucleus, which disintegrated in July 25, 2000.

Photographic negative of Comet LINEAR reveals a visible two-degree tail. Learn what is causing this unusual development.

View two images of a sungrazer comet captured by the SOlar and Heliospheric Observatory's coronograph on April 29, 2000.

View the July 14, 2000 Chandra X-ray Observatory image of Comet LINEAR that solved the mystery of why comets emit X-rays.