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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.
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 ...
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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.
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Today, comets are well understood as "dirty snowballs" in eccentric orbits around the Sun, but they continue as objects of scientific and popular fascination. In 1994, comet Shoemaker–Levy crashed spectacularly into the atmosphere of Jupiter. In 1997, a cult committed mass suicide inspired by the passage of comet Hale-Bopp.
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.
Later a convention arose of using the names of people associated with the discovery (e.g. Comet Hale–Bopp) or the first detailed study (e.g. Halley's Comet) of each comet. During the twentieth century, improvements in technology and dedicated searches led to a massive increase in the number of comet discoveries, which led to the creation of a ...