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...

Thomas Joel Bopp (October 15, 1949 – January 5, 2018) was an American amateur astronomer. In 1995, he discovered comet Hale–Bopp; Alan Hale discovered...

Alan Hale (born 1958) is an American professional astronomer, who co-discovered Comet Hale–Bopp along with amateur astronomer Thomas Bopp. Hale specializes...

and was widely seen around the world. The comet temporarily upstaged the much anticipated Comet Hale–Bopp, which was approaching the inner Solar System...

the longest recorded period of visibility until the appearance of Comet Hale–Bopp in 1997. In October 1811, at its brightest, and when it was 1.2 AU...

Karl Bopp (1877–1934), German historian of mathematics Thomas Bopp (1949–2018), American astronomer, co-discoverer of Comet Hale-Bopp Yésica Bopp (born...

Earth. NEOWISE is known for being the brightest comet in the northern hemisphere since Comet Hale–Bopp in 1997. It was widely photographed by professional...

Charles S. "Comet Definitions". Michael Gallagher. Retrieved 31 August 2013. Lallement, Rosine; et al. (2002). "The Shadow of Comet Hale–Bopp in Lyman-Alpha"...

closest approach of Comet Hale–Bopp. Just before the mass suicide, the group's website was updated with the message: "Hale–Bopp brings closure to Heaven's...

most of Comet Hale-Bopp: when and where to observe Comet Hale-Bopp and what to look for Joe Rao (August 17, 2022). "In Memoriam: Famed 'Comet Hunter'...

antitails include Comet Arend–Roland in 1957, Comet Kohoutek in 1973, Comet Hale–Bopp in 1997, C/1999 H1 (Lee) in 1999, Comet Lulin in 2009, Comet PANSTARRS in...

1957 Comet Seki-Lines – 1962 Comet Ikeya–Seki – 1965 Comet Bennett – 1970 Comet West – 1976 Comet Hyakutake – 1996 Comet Hale–Bopp – 1997 Comet NEAT –...

publicize their theology. In 1996, they learned of the approach of Comet Hale–Bopp and rumors of an accompanying spaceship, concluding that this was the...

the comet from the Sun is ±6000 km. The comet is record breaking because it was already becoming active at such a distance. Only Comet Hale–Bopp produced...

passage of comet Hale-Bopp. Since 1985, a total of 8 comets have been visited by spacecraft. Little is known of what people thought about comets before Aristotle...

it has become possible to observe comets for longer periods of time after perihelion. For example, Comet Hale–Bopp was observable with the naked eye about...

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...

comets (e.g. Halley's Comet), non-periodic comets (e.g. Comet Hale–Bopp), comets with no meaningful orbit (the Great Comet of 1106), and lost comets (5D/Brorsen)...

Harold A.; et al. (1997). "The Activity and Size of the Nucleus of Comet Hale–Bopp (C/1995 O1)". Science. 275 (5308): 1900–1904. Bibcode:1997Sci...275...

closer to 1. Examples include Comet Hale–Bopp with a value of 0.9951, Comet Ikeya-Seki with a value of 0.9999 and Comet McNaught (C/2006 P1) with a value...

ejects supporters of Mobutu Sese Seko from his cabinet. March 22 – The Comet Hale–Bopp makes its closest approach to Earth. March 24 – The 69th Academy Awards...

around Comet Kohoutek in the 1970s. SOHO detected a hydrogen gas halo bigger than 1 AU in radius around Comet Hale–Bopp. Water emitted by the comet is broken...

Leipzig. Celtic Voices was written in 1995, Hale Bopp was written in 1997 inspired by Comet Hale-Bopp, and scored for an additional boy soprano. Celtic...

from such large heliocentric distances is rare: only three other comets, Comet Hale–Bopp (27.2 AU outbound), C/2010 U3 (Boattini) (25.8 AU inbound), and...

detected by spectroscopic methods in interstellar clouds, in the coma of comet Hale–Bopp and in the atmosphere of Saturn's moon Titan, where it sometimes forms...

Planet Center, retrieved 11 January 2019 Kidger, M. (3 April 1997), Comet Hale-Bopp Light Curve, NASA JPL, retrieved 31 May 2019 Hughes, D. W. (16 June...

Most of these objects are comets on a calculated path and may not be directly observable. For instance, comet Hale-Bopp was last seen in 2013 at magnitude...

Sagittarius. It was discovered by Charles Messier in 1780. The famous comet Hale–Bopp was discovered near this cluster in 1995. It is about 29,400 light...

set to coincide with the arrival of the Hale-Bopp comet on 5 May, 1997. According to the channeling, the comet was a large spaceship containing “cloaking...

and numerous other bodies. Some comets have a sodium tail, which was first detected in observations of Comet Hale–Bopp in 1997. Sodium has even been detected...