Alan Hale
Quick Summary
Alan Hale is an American amateur astronomer who, along with Thomas Bopp, independently discovered Comet Hale-Bopp on July 23, 1995. The comet was discovered at a significant distance from the Sun, well beyond Jupiter's orbit. Comet Hale-Bopp was notable for its visibility to the naked eye, featuring a bright coma and distinct dust and ion tails. This comet gained further notoriety as it was associated with the Heaven's Gate cult, whose leader believed it signaled the arrival of a UFO that would transport members to another level.1
It is important to distinguish Alan Hale from George Ellery Hale, a prominent 20th-century American astronomer who developed significant astronomical instruments, founded observatories like the Palomar and Mount Wilson Observatories, and made contributions to solar physics, including the discovery of magnetic fields in sunspots.23
Ask Britannica AI about this topic
Britannica doesn't have a full article on this topic, so we've curated a list of our relevant coverage.