• Thumbnail for Comet Hale–Bopp
    Comet HaleBopp (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...
    47 KB (5,129 words) - 17:40, 23 September 2024
  • Thumbnail for Thomas Bopp
    Thomas Joel Bopp (October 15, 1949 – January 5, 2018) was an American amateur astronomer. In 1995, he discovered comet HaleBopp; Alan Hale discovered...
    18 KB (1,849 words) - 18:00, 23 July 2024
  • Thumbnail for Alan Hale (astronomer)
    Alan Hale (born 1958) is an American professional astronomer, who co-discovered Comet HaleBopp along with amateur astronomer Thomas Bopp. Hale specializes...
    35 KB (3,791 words) - 07:42, 20 September 2024
  • Thumbnail for Comet Hyakutake
    and was widely seen around the world. The comet temporarily upstaged the much anticipated Comet HaleBopp, which was approaching the inner Solar System...
    37 KB (4,077 words) - 05:59, 1 October 2024
  • Thumbnail for Great Comet of 1811
    the longest recorded period of visibility until the appearance of Comet HaleBopp in 1997. In October 1811, at its brightest, and when it was 1.2 AU...
    14 KB (1,417 words) - 13:40, 16 August 2024
  • Thumbnail for Comet NEOWISE
    Earth. NEOWISE is known for being the brightest comet in the northern hemisphere since Comet HaleBopp in 1997. It was widely photographed by professional...
    26 KB (2,273 words) - 19:31, 29 September 2024
  • Karl Bopp (1877–1934), German historian of mathematics Thomas Bopp (1949–2018), American astronomer, co-discoverer of Comet Hale-Bopp Yésica Bopp (born...
    712 bytes (117 words) - 23:28, 27 June 2023
  • Thumbnail for Comet
    Charles S. "Comet Definitions". Michael Gallagher. Retrieved 31 August 2013. Lallement, Rosine; et al. (2002). "The Shadow of Comet HaleBopp in Lyman-Alpha"...
    144 KB (15,283 words) - 18:55, 6 October 2024
  • closest approach of Comet HaleBopp. Just before the mass suicide, the group's website was updated with the message: "HaleBopp brings closure to Heaven's...
    65 KB (7,557 words) - 08:15, 3 October 2024
  • Thumbnail for Great comet
    1970 Comet West – 1976 Comet Hyakutake – 1996 Comet HaleBopp – 1997 Comet McNaught – 2007 Comet Lovejoy – 2011 Comet NEOWISE - 2020 A winter comet reported...
    10 KB (1,197 words) - 05:56, 1 October 2024
  • publicize their theology. In 1996, they learned of the approach of Comet HaleBopp and rumors of an accompanying spaceship, concluding that this was the...
    65 KB (8,025 words) - 19:57, 7 October 2024
  • Thumbnail for C/2017 K2 (PanSTARRS)
    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 HaleBopp produced...
    14 KB (1,285 words) - 07:31, 14 June 2024
  • Thumbnail for Donald Machholz
    Donald Machholz (category Discoverers of comets)
    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'...
    10 KB (912 words) - 01:41, 15 August 2024
  • Thumbnail for Observational history of comets
    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...
    43 KB (5,847 words) - 05:58, 29 June 2024
  • Thumbnail for Lost comet
    it has become possible to observe comets for longer periods of time after perihelion. For example, Comet HaleBopp was observable with the naked eye about...
    12 KB (790 words) - 04:39, 31 July 2024
  • Thumbnail for Naming of comets
    associated with the discovery (e.g. Comet HaleBopp) or the first detailed study (e.g. Halley's Comet) of each comet. During the twentieth century, improvements...
    14 KB (1,655 words) - 22:54, 10 August 2024
  • Comet (1st Ballantine Books ed.). New York: Ballantine Books. p. 137. ISBN 978-0-345-41222-5. Retrieved 16 June 2024. Kidger, M. 'Comet Hale-Bopp Light...
    7 KB (689 words) - 23:50, 24 September 2024
  • Thumbnail for Celtic Voices and Hale Bopp
    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...
    7 KB (564 words) - 03:42, 21 August 2024
  • comets (e.g. Halley's Comet), non-periodic comets (e.g. Comet HaleBopp), comets with no meaningful orbit (the Great Comet of 1106), and lost comets (5D/Brorsen)...
    39 KB (1,181 words) - 08:13, 24 September 2023
  • Thumbnail for Halley's Comet
    Harold A.; et al. (1997). "The Activity and Size of the Nucleus of Comet HaleBopp (C/1995 O1)". Science. 275 (5308): 1900–1904. Bibcode:1997Sci...275...
    110 KB (11,057 words) - 01:57, 5 October 2024
  • Thumbnail for Orbital eccentricity
    closer to 1. Examples include Comet HaleBopp with a value of 0.9951, Comet Ikeya-Seki with a value of 0.9999 and Comet McNaught (C/2006 P1) with a value...
    25 KB (2,767 words) - 19:36, 2 July 2024
  • Thumbnail for C/2014 UN271 (Bernardinelli–Bernstein)
    from such large heliocentric distances is rare: only three other comets, Comet HaleBopp (27.2 AU outbound), C/2010 U3 (Boattini) (25.8 AU inbound), and...
    55 KB (4,931 words) - 23:14, 4 October 2024
  • One study has estimated that Comet HaleBopp has about a 15% chance of eventually becoming a Sun-grazing comet. Comet families resembling the Kreutz...
    47 KB (5,779 words) - 12:06, 12 August 2024
  • Thumbnail for 1997
    ejects supporters of Mobutu Sese Seko from his cabinet. March 22 – The Comet HaleBopp makes its closest approach to Earth. March 24 – The 69th Academy Awards...
    34 KB (3,559 words) - 21:39, 6 October 2024
  • Thumbnail for Anti-tail
    Anti-tail (category Comet stubs)
    antitails include Comet Arend–Roland in 1957, Comet Kohoutek in 1973, Comet HaleBopp in 1997, C/1999 H1 (Lee) in 1999, Comet Lulin in 2009, Comet PANSTARRS in...
    4 KB (443 words) - 03:45, 28 September 2024
  • Thumbnail for Cyanoacetylene
    detected by spectroscopic methods in interstellar clouds, in the coma of comet HaleBopp and in the atmosphere of Saturn's moon Titan, where it sometimes forms...
    4 KB (304 words) - 21:34, 20 July 2024
  • Thumbnail for List of Solar System objects by greatest aphelion
    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...
    27 KB (1,667 words) - 23:53, 21 September 2024
  • 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...
    22 KB (2,856 words) - 10:08, 7 October 2024
  • Thumbnail for Comet nucleus
    largest comets that have come inside the orbit of Saturn are 95P/Chiron (≈200 km), C/2002 VQ94 (LINEAR) (≈100 km), Comet of 1729 (≈100 km), HaleBopp (≈60 km)...
    51 KB (5,358 words) - 11:44, 24 September 2024
  • 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...
    49 KB (5,751 words) - 21:00, 20 August 2024