Comet Hale–Bopp
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Comet Hale–Bopp is a long-period comet that was one of the most widely observed of the 20th century and one of the brightest seen for many decades.
Comet Hale–Bopp, shortly after passing perihelion on April 4, 1997; the gas tail is to the left and the dust tail to the right.
The comet became a spectacular sight in early 1997.
Comet Hale–Bopp in 2001, at a distance of nearly 2.0 billion km (1.2 billion mi) from the Sun.
Hyakutake Color
Heaven's Gate was an American new religious movement known primarily for the mass suicide of its members in 1997. Often described as a cult, it was founded in 1974 and led by Marshall Applewhite and B
Comet Hale–Bopp
…David Tholen of the University of Hawaii stated that the alleged photo was an altered copy of one of their own comet images. Thirty-nine members of the Heaven's Gate cult died in a mass suicide, in March 1997 with the intention of teleporting to a spaceship which they believed was flying behind the comet. Nancy…
A recruitment flyer posted in San Francisco in August 1975