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Comet Hale–Bopp (formally designated C/1995 O1) 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. [11] [12] [13] Alan Hale and Thomas Bopp discovered Comet Hale–Bopp separately on July 23, 1995, before it became visible to the naked eye.
Alan Hale (born 1958) [1] is an American professional astronomer, who co-discovered Comet Hale–Bopp along with amateur astronomer Thomas Bopp. [2]Hale specializes in the study of Sun-like stars and the search for extra-solar planetary systems, and has side interests in the fields of comets and near-Earth asteroids.
Thomas Joel Bopp (October 15, 1949 – January 5, 2018) was an American amateur astronomer. In 1995, he discovered comet Hale–Bopp; Alan Hale discovered it independently at almost the same time, and it was thus named after both of them. [1] At the time of the comet discovery he was a manager at a construction materials factory and an amateur ...
For example, Comet Hale–Bopp's designation is C/1995 O1. After their second observed perihelion passage, designations of periodic comets are given an additional prefix number, indicating the order of their discovery. [7] Halley's Comet, the first comet identified as periodic, has the systematic designation 1P/1682 Q1.
He started astrophotography back in 1987 and within two years, comets were and still are his favorite objects, including one of the most beautiful and brightest ever seen, comet Hale-Bopp, in 1997 ...
Coin showing Caesar's Comet as a star with eight rays, tail upward. Non-periodic comets are seen only once. They are usually on near-parabolic orbits that will not return to the vicinity of the Sun for thousands of years, if ever.
Applewhite told them the comet Hale-Bopp was being trailed by an alien spacecraft and, if they died, they could board it. 38 people committed suicide. 20 years after the Heaven's Gate mass suicide ...
What is the 'Devil Comet'? Comet 12/P Pons-Brooks orbits the sun roughly every 71 years. This orbital length classifies it as a Halley-type comet, a comet with an orbital period of 20 to 200 years.