Comet Hale–Bopp (English Wikipedia)

Analysis of information sources in references of the Wikipedia article "Comet Hale–Bopp" in English language version.

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35harvard.edu

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apple.com

music.apple.com

D. Kayukin (August 4, 2023). "Album "Comet 97 – EP"". Apple Music. Retrieved January 31, 2024.

archive.org

R. Burnham; D. H. Levy (2000). Great Comets. Cambridge University Press. p. 191. ISBN 978-0-521-64600-0.

archive.today

D. Herald (August 7, 2012). "Comet Hale–Bopp C/1995 O1 – observed tonite". Yahoo Groups. Archived from the original on January 5, 2013. Retrieved August 9, 2012.

arxiv.org

M. M. Knight; R. Kokotanekova; N. H. Samarasinha (2023). "Physical and Surface Properties of Comet Nuclei from Remote Observations". arXiv:2304.09309 [astro-ph.EP].
G. M. Szabó; L. L. Kiss; K. Sárneczky (2008). "Cometary Activity at 25.7 AU: Hale–Bopp 11 Years after Perihelion". Astrophysical Journal Letters. 677 (2): 121. arXiv:0803.1505. Bibcode:2008ApJ...677L.121S. doi:10.1086/588095. S2CID 13344162.
G. M. Szabó; L. L. Kiss; C. Kiss; A. Pál; et al. (2012). "Evidence for fresh frost layer on the bare nucleus of comet Hale–Bopp at 32 AU distance". Astrophysical Journal. 761 (1): 8. arXiv:1210.2785. Bibcode:2012ApJ...761....8S. doi:10.1088/0004-637X/761/1/8. S2CID 119197339.
G. M. Szabó; K. Sárneczky; L. L. Kiss (2011). "Frozen to death? – Detection of comet Hale–Bopp at 30.7 AU". Earth and Planetary Astrophysics. 1104: 4351. arXiv:1104.4351. Bibcode:2011A&A...531A..11S. doi:10.1051/0004-6361/201116793. S2CID 119113598.
G. Cremonese; H. Boehnhardt; J. Crovisier; H. Rauer; A. Fitzsimmons; et al. (1997). "Neutral Sodium from Comet Hale–Bopp: A Third Type of Tail". The Astrophysical Journal Letters. 490 (2): L199 – L202. arXiv:astro-ph/9710022. Bibcode:1997ApJ...490L.199C. doi:10.1086/311040. S2CID 119405749.
A. Stern; D. C. Slater; M. C. Festou; J. W. Parker; et al. (2000). "The Discovery of Argon in Comet C/1995 O1 (Hale–Bopp)". The Astrophysical Journal. 544 (2): L169 – L172. arXiv:astro-ph/0011327. Bibcode:2000ApJ...544L.169S. doi:10.1086/317312. S2CID 16759616.

books.google.com

M. Mobberley (2013). It Came From Outer Space Wearing an RAF Blazer!: A Fan's Biography of Sir Patrick Moore. Springer. p. 483. ISBN 978-3-319-00609-3.
K. R. Weeks (1998). The Lost Tomb: The Greatest Discovery at the Valley of the Kings Since Tutankhamun. Phoenix. p. 198. ISBN 978-0-753-80681-4.

csicop.org

A. Hale (1997). "Hale–Bopp Comet Madness". Skeptical Inquirer. 21 (2): 25–28. Archived from the original on February 8, 2010. Retrieved December 6, 2009.
D. Morrison (May 2008). "The Myth of Nibiru and the End of the World in 2012". Skeptical Inquirer. Archived from the original on April 21, 2009. Retrieved April 28, 2009.

doi.org

B. G. Marsden (1997). "Orbit Determination and Evolution of Comet C/1995 O1 (Hale–Bopp)". Earth, Moon, and Planets. 79 (1): 3–15. Bibcode:1997EM&P...79....3M. doi:10.1023/A:1006268813208. S2CID 121368997.
T. Bopp (1997). "Amateur Contributions in the study of Comet Hale–Bopp". Earth, Moon, and Planets. 79 (1–3): 307–308. Bibcode:1997EM&P...79..307B. doi:10.1023/A:1006262006364. S2CID 117124838.
M. R. Kidger; M. Serra-Ricart; L. R. Bellot-Rubio; R. Casas (1996). "Evolution of a Spiral Jet in the Inner Coma of Comet Hale-Bopp (1995 O1)". The Astrophysical Journal Letters. 461 (2): L119 – L122. Bibcode:1996ApJ...461L.119K. doi:10.1086/310008. S2CID 121572975.
N. Biver; H. Rauer; D. Despois; R. Moreno; G. Paubert; et al. (1996). "Substantial outgassing of CO from Comet Hale–Bopp at large heliocentric distance". Nature. 380 (6570): 137–139. Bibcode:1996Natur.380..137B. doi:10.1038/380137a0. PMID 8600385. S2CID 4342525.
Y. R. Fernández (2002). "The Nucleus of Comet Hale–Bopp (C/1995 O1): Size and Activity". Earth, Moon, and Planets. 89 (1): 3–25. Bibcode:2002EM&P...89....3F. doi:10.1023/A:1021545031431. S2CID 189899565.
M. R. Kidger; G. Hurst; N. James (2004). "The Visual Light Curve Of C/1995 O1 (Hale–Bopp) From Discovery To Late 1997". Earth, Moon, and Planets. 78 (1–3): 169–177. Bibcode:1997EM&P...78..169K. doi:10.1023/A:1006228113533. S2CID 120776226.
G. M. Szabó; L. L. Kiss; K. Sárneczky (2008). "Cometary Activity at 25.7 AU: Hale–Bopp 11 Years after Perihelion". Astrophysical Journal Letters. 677 (2): 121. arXiv:0803.1505. Bibcode:2008ApJ...677L.121S. doi:10.1086/588095. S2CID 13344162.
G. M. Szabó; L. L. Kiss; C. Kiss; A. Pál; et al. (2012). "Evidence for fresh frost layer on the bare nucleus of comet Hale–Bopp at 32 AU distance". Astrophysical Journal. 761 (1): 8. arXiv:1210.2785. Bibcode:2012ApJ...761....8S. doi:10.1088/0004-637X/761/1/8. S2CID 119197339.
G. M. Szabó; K. Sárneczky; L. L. Kiss (2011). "Frozen to death? – Detection of comet Hale–Bopp at 30.7 AU". Earth and Planetary Astrophysics. 1104: 4351. arXiv:1104.4351. Bibcode:2011A&A...531A..11S. doi:10.1051/0004-6361/201116793. S2CID 119113598.
P. R. Weissman (2007). "The cometary impactor flux at the Earth". Proceedings of the International Astronomical Union. 2 (S236). Cambridge University Press: 441–450. Bibcode:2007IAUS..236..441W. doi:10.1017/S1743921307003559. ISBN 978-0-521-86345-2.
M. E. Bailey; V. V. Emel'Yanenko; G. Hahn; N. W. Harris; et al. (1996). "Orbit Determination and Evolution of Comet C/1995 O1 (Hale–Bopp)". Monthly Notices of the Royal Astronomical Society. 281 (1): 916–924. Bibcode:1996MNRAS.281..916B. CiteSeerX 10.1.1.29.6010. doi:10.1093/mnras/281.3.916.
D. C. Jewitt; H. Matthews (1999). "Particulate Mass Loss from Comet Hale–Bopp". The Astronomical Journal. 117 (2): 1056–1062. Bibcode:1999AJ....117.1056J. doi:10.1086/300743. S2CID 120740179.
Y. R. Fernández; D. D. Wellnitz; M. W. Buie; E. W. Dunham; R. L. Millis; et al. (1999). "The Inner Coma and Nucleus of Comet Hale–Bopp: Results from a Stellar Occultation". Icarus. 140 (1): 205–220. Bibcode:1999Icar..140..205F. doi:10.1006/icar.1999.6127. S2CID 43229796.
C. G. Mason; R. D. Gehrz; T. J. Jones; et al. (2001). "Observations of Unusually Small Dust Grains in the Coma of Comet Hale–Bopp C/1995 O1". The Astrophysical Journal. 549 (1): 635–646. Bibcode:2001ApJ...549..635M. doi:10.1086/319039.
S. Ganesh; U. C. Joshi; K. S. Baliyan; M. R. Deshpande (1998). "Polarimetric observations of the comet Hale–Bopp". Astronomy and Astrophysics Supplement. 129 (5): 489–493. Bibcode:1998A&AS..129..489G. doi:10.1051/aas:1998201.
G. Cremonese; H. Boehnhardt; J. Crovisier; H. Rauer; A. Fitzsimmons; et al. (1997). "Neutral Sodium from Comet Hale–Bopp: A Third Type of Tail". The Astrophysical Journal Letters. 490 (2): L199 – L202. arXiv:astro-ph/9710022. Bibcode:1997ApJ...490L.199C. doi:10.1086/311040. S2CID 119405749.
J. K. Wilson; J. Baumgardner; M. Mendillo (1998). "Three tails of comet Hale–Bopp". Geophysical Research Letters. 25 (3): 225–228. Bibcode:1998GeoRL..25..225W. doi:10.1029/97GL03704. S2CID 129323918.
G. Cremonese; M. Fulle (1997). "Sodium In Comets". Earth, Moon, and Planets. 79 (1): 209–220. Bibcode:1997EM&P...79..209C. doi:10.1023/A:1006245619568. S2CID 118693620.
R. Meier; T. C. Owen (1999). "Cometary Deuterium". Space Science Reviews. 90 (1–2): 33–43. Bibcode:1999SSRv...90...33M. doi:10.1023/A:1005269208310. PMID 11543290. S2CID 34317575.
S. D. Rodgers; S. B. Charnley (2002). "Organic synthesis in the coma of Comet Hale–Bopp?". Monthly Notices of the Royal Astronomical Society. 320 (4): L61 – L64. Bibcode:2001MNRAS.320L..61R. doi:10.1046/j.1365-8711.2001.04208.x.
A. Stern; D. C. Slater; M. C. Festou; J. W. Parker; et al. (2000). "The Discovery of Argon in Comet C/1995 O1 (Hale–Bopp)". The Astrophysical Journal. 544 (2): L169 – L172. arXiv:astro-ph/0011327. Bibcode:2000ApJ...544L.169S. doi:10.1086/317312. S2CID 16759616.
V. A. Krasnopolsky; M. J. Mumma; M. Abbott; B. C. Flynn; et al. (1997). "Detection of Soft X-rays and a Sensitive Search for Noble Gases in Comet Hale–Bopp (C/1995 O1)". Science. 277 (5331): 1488–1491. Bibcode:1997Sci...277.1488K. doi:10.1126/science.277.5331.1488. PMID 9278508.
J. Warell; C. I. Lagerkvist; J. S. V. Lagerros (1999). "Dust continuum imaging of C/1995 O1 (Hale–Bopp): Rotation period and dust outflow velocity". Astronomy and Astrophysics Supplement Series. 136 (2): 245–256. Bibcode:1999A&AS..136..245W. doi:10.1051/aas:1999213.
Z. Sekanina (1997). "Detection of a Satellite orbiting the Nucleus of Comet Hale–Bopp (C/1995 O1)". Earth, Moon, and Planets. 77 (3). European Organisation for Astronomical Research in the Southern Hemisphere: 155–163. Bibcode:1997EM&P...77..155S. doi:10.1023/A:1006230712665. S2CID 122481110.
D. W. McCarthy; S. Stolovy; H. Campins; et al. (2007). "Comet Hale–Bopp in outburst: Imaging the dynamics of icy particles with HST/NICMOS". Icarus. 189 (1): 184–195. Bibcode:2007Icar..189..184M. doi:10.1016/j.icarus.2007.01.019.
H. A. Weaver; P. D. Feldman; M. F. a'Hearn; et al. (1999). "Post-Perihelion HST Observations of Comet Hale–Bopp (C/1995 O1)". Icarus. 141 (1): 1–12. Bibcode:1999Icar..141....1W. doi:10.1006/icar.1999.6159.
W. G. Robinson (2006). "Heaven's Gate: The End". Journal of Computer-Mediated Communication. 3 (3). doi:10.1111/j.1083-6101.1997.tb00077.x.

eso.org

R. M. West (April 13, 1997). "Comet Hale–Bopp". European Southern Observatory. Archived from the original on May 24, 2011. Retrieved November 23, 2008.
R. M. West (March 7, 1997). "Comet Hale–Bopp". European Southern Observatory. Archived from the original on May 24, 2011. Retrieved November 25, 2008.

sc.eso.org

D. J. Tholen (January 15, 1997). "Fraudulent use of an IfA/UH picture". European Organisation for Astronomical Research in the Southern Hemisphere. Archived from the original on September 30, 2007. Retrieved October 14, 2008.

harvard.edu

ui.adsabs.harvard.edu

B. G. Marsden (1997). "Orbit Determination and Evolution of Comet C/1995 O1 (Hale–Bopp)". Earth, Moon, and Planets. 79 (1): 3–15. Bibcode:1997EM&P...79....3M. doi:10.1023/A:1006268813208. S2CID 121368997.
J. D. Shanklin (2000). "The Comets of 1995". Journal of the British Astronomical Association. 110 (6): 311. Bibcode:2000JBAA..110..311S.
T. Bopp (1997). "Amateur Contributions in the study of Comet Hale–Bopp". Earth, Moon, and Planets. 79 (1–3): 307–308. Bibcode:1997EM&P...79..307B. doi:10.1023/A:1006262006364. S2CID 117124838.
M. R. Kidger; M. Serra-Ricart; L. R. Bellot-Rubio; R. Casas (1996). "Evolution of a Spiral Jet in the Inner Coma of Comet Hale-Bopp (1995 O1)". The Astrophysical Journal Letters. 461 (2): L119 – L122. Bibcode:1996ApJ...461L.119K. doi:10.1086/310008. S2CID 121572975.
N. Biver; H. Rauer; D. Despois; R. Moreno; G. Paubert; et al. (1996). "Substantial outgassing of CO from Comet Hale–Bopp at large heliocentric distance". Nature. 380 (6570): 137–139. Bibcode:1996Natur.380..137B. doi:10.1038/380137a0. PMID 8600385. S2CID 4342525.
Y. R. Fernández (2002). "The Nucleus of Comet Hale–Bopp (C/1995 O1): Size and Activity". Earth, Moon, and Planets. 89 (1): 3–25. Bibcode:2002EM&P...89....3F. doi:10.1023/A:1021545031431. S2CID 189899565.
M. R. Kidger; G. Hurst; N. James (2004). "The Visual Light Curve Of C/1995 O1 (Hale–Bopp) From Discovery To Late 1997". Earth, Moon, and Planets. 78 (1–3): 169–177. Bibcode:1997EM&P...78..169K. doi:10.1023/A:1006228113533. S2CID 120776226.
H. W. McGee; P. Poitevin (1997). "The Total Solar Eclipse of 9 March 1997". Journal of the British Astronomical Association. 107 (3): 112–113. Bibcode:1997JBAA..107..112M.
B. S. Shylaja (1997). "What's New With Hale Bopp?". Bulletin of the Astronomical Society of India. 25: 155–156. Bibcode:1997BASI...25..155S.
G. M. Szabó; L. L. Kiss; K. Sárneczky (2008). "Cometary Activity at 25.7 AU: Hale–Bopp 11 Years after Perihelion". Astrophysical Journal Letters. 677 (2): 121. arXiv:0803.1505. Bibcode:2008ApJ...677L.121S. doi:10.1086/588095. S2CID 13344162.
G. M. Szabó; L. L. Kiss; C. Kiss; A. Pál; et al. (2012). "Evidence for fresh frost layer on the bare nucleus of comet Hale–Bopp at 32 AU distance". Astrophysical Journal. 761 (1): 8. arXiv:1210.2785. Bibcode:2012ApJ...761....8S. doi:10.1088/0004-637X/761/1/8. S2CID 119197339.
G. M. Szabó; K. Sárneczky; L. L. Kiss (2011). "Frozen to death? – Detection of comet Hale–Bopp at 30.7 AU". Earth and Planetary Astrophysics. 1104: 4351. arXiv:1104.4351. Bibcode:2011A&A...531A..11S. doi:10.1051/0004-6361/201116793. S2CID 119113598.
P. R. Weissman (2007). "The cometary impactor flux at the Earth". Proceedings of the International Astronomical Union. 2 (S236). Cambridge University Press: 441–450. Bibcode:2007IAUS..236..441W. doi:10.1017/S1743921307003559. ISBN 978-0-521-86345-2.
M. E. Bailey; V. V. Emel'Yanenko; G. Hahn; N. W. Harris; et al. (1996). "Orbit Determination and Evolution of Comet C/1995 O1 (Hale–Bopp)". Monthly Notices of the Royal Astronomical Society. 281 (1): 916–924. Bibcode:1996MNRAS.281..916B. CiteSeerX 10.1.1.29.6010. doi:10.1093/mnras/281.3.916.
D. C. Jewitt; H. Matthews (1999). "Particulate Mass Loss from Comet Hale–Bopp". The Astronomical Journal. 117 (2): 1056–1062. Bibcode:1999AJ....117.1056J. doi:10.1086/300743. S2CID 120740179.
Y. R. Fernández; D. D. Wellnitz; M. W. Buie; E. W. Dunham; R. L. Millis; et al. (1999). "The Inner Coma and Nucleus of Comet Hale–Bopp: Results from a Stellar Occultation". Icarus. 140 (1): 205–220. Bibcode:1999Icar..140..205F. doi:10.1006/icar.1999.6127. S2CID 43229796.
C. G. Mason; R. D. Gehrz; T. J. Jones; et al. (2001). "Observations of Unusually Small Dust Grains in the Coma of Comet Hale–Bopp C/1995 O1". The Astrophysical Journal. 549 (1): 635–646. Bibcode:2001ApJ...549..635M. doi:10.1086/319039.
S. Ganesh; U. C. Joshi; K. S. Baliyan; M. R. Deshpande (1998). "Polarimetric observations of the comet Hale–Bopp". Astronomy and Astrophysics Supplement. 129 (5): 489–493. Bibcode:1998A&AS..129..489G. doi:10.1051/aas:1998201.
G. Cremonese; H. Boehnhardt; J. Crovisier; H. Rauer; A. Fitzsimmons; et al. (1997). "Neutral Sodium from Comet Hale–Bopp: A Third Type of Tail". The Astrophysical Journal Letters. 490 (2): L199 – L202. arXiv:astro-ph/9710022. Bibcode:1997ApJ...490L.199C. doi:10.1086/311040. S2CID 119405749.
J. K. Wilson; J. Baumgardner; M. Mendillo (1998). "Three tails of comet Hale–Bopp". Geophysical Research Letters. 25 (3): 225–228. Bibcode:1998GeoRL..25..225W. doi:10.1029/97GL03704. S2CID 129323918.
G. Cremonese; M. Fulle (1997). "Sodium In Comets". Earth, Moon, and Planets. 79 (1): 209–220. Bibcode:1997EM&P...79..209C. doi:10.1023/A:1006245619568. S2CID 118693620.
R. Meier; T. C. Owen (1999). "Cometary Deuterium". Space Science Reviews. 90 (1–2): 33–43. Bibcode:1999SSRv...90...33M. doi:10.1023/A:1005269208310. PMID 11543290. S2CID 34317575.
S. D. Rodgers; S. B. Charnley (2002). "Organic synthesis in the coma of Comet Hale–Bopp?". Monthly Notices of the Royal Astronomical Society. 320 (4): L61 – L64. Bibcode:2001MNRAS.320L..61R. doi:10.1046/j.1365-8711.2001.04208.x.
A. Stern; D. C. Slater; M. C. Festou; J. W. Parker; et al. (2000). "The Discovery of Argon in Comet C/1995 O1 (Hale–Bopp)". The Astrophysical Journal. 544 (2): L169 – L172. arXiv:astro-ph/0011327. Bibcode:2000ApJ...544L.169S. doi:10.1086/317312. S2CID 16759616.
V. A. Krasnopolsky; M. J. Mumma; M. Abbott; B. C. Flynn; et al. (1997). "Detection of Soft X-rays and a Sensitive Search for Noble Gases in Comet Hale–Bopp (C/1995 O1)". Science. 277 (5331): 1488–1491. Bibcode:1997Sci...277.1488K. doi:10.1126/science.277.5331.1488. PMID 9278508.
J. Warell; C. I. Lagerkvist; J. S. V. Lagerros (1999). "Dust continuum imaging of C/1995 O1 (Hale–Bopp): Rotation period and dust outflow velocity". Astronomy and Astrophysics Supplement Series. 136 (2): 245–256. Bibcode:1999A&AS..136..245W. doi:10.1051/aas:1999213.
Z. Sekanina (1997). "Detection of a Satellite orbiting the Nucleus of Comet Hale–Bopp (C/1995 O1)". Earth, Moon, and Planets. 77 (3). European Organisation for Astronomical Research in the Southern Hemisphere: 155–163. Bibcode:1997EM&P...77..155S. doi:10.1023/A:1006230712665. S2CID 122481110.
F. Marchis; H. Boehnhardt; O. R. Hainaut; D. Le Mignant (1999). "Adaptive optics observations of the innermost coma of C/1995 O1. Are there a "Hale" and a "Bopp" in comet Hale–Bopp?" (PDF). Astronomy & Astrophysics. 349: 985–995. Bibcode:1999A&A...349..985M. Archived from the original (PDF) on October 31, 2008. Retrieved October 29, 2008.
D. W. McCarthy; S. Stolovy; H. Campins; et al. (2007). "Comet Hale–Bopp in outburst: Imaging the dynamics of icy particles with HST/NICMOS". Icarus. 189 (1): 184–195. Bibcode:2007Icar..189..184M. doi:10.1016/j.icarus.2007.01.019.
H. A. Weaver; P. D. Feldman; M. F. a'Hearn; et al. (1999). "Post-Perihelion HST Observations of Comet Hale–Bopp (C/1995 O1)". Icarus. 141 (1): 1–12. Bibcode:1999Icar..141....1W. doi:10.1006/icar.1999.6159.
Z. Sekanina (1997). "The problem of split comets revisited". Astronomy and Astrophysics Letters. 318: L5 – L8. Bibcode:1997A&A...318L...5S.

cbat.eps.harvard.edu

D. W. Green (July 23, 1997). "Comet 1995 O1". International Astronomical Union Circular (6187).
B. G. Marsden (August 2, 1995). "Comet C/1995 O1 (Hale–Bopp)". International Astronomical Union Circular (6198). Retrieved July 5, 2011.

icq.eps.harvard.edu

J. E. Bortle (1998). "The Bright Comet Chronicles". International Comet Quarterly. Retrieved November 16, 2024.
"Brightest comets seen since 1935". International Comet Quarterly. Retrieved December 2, 2024.

indiana.edu

jcmc.indiana.edu

W. G. Robinson (2006). "Heaven's Gate: The End". Journal of Computer-Mediated Communication. 3 (3). doi:10.1111/j.1083-6101.1997.tb00077.x.

minorplanetcenter.net

B. G. Marsden (August 1, 1995). "MPEC 1995-P01 : Comet C/1995 O1 (Hale–Bopp)". www.minorplanetcenter.net. Minor Planet Center. Retrieved January 9, 2025.
A. U. Tomatic (September 18, 2022). "MPEC 2022-S20 : Observations and Orbits of Comets and A/ Objects". www.minorplanetcenter.net. Minor Planet Center. Retrieved February 25, 2025.

nasa.gov

ssd.jpl.nasa.gov

"JPL SBDB Epoch 1996". Archived from the original on July 30, 2021.
Horizons output. "Barycentric Osculating Orbital Elements for Comet C/1995 O1 (Hale–Bopp)". Retrieved September 18, 2022. (Solution using the Solar System barycenter. "PR = 8.763E+05 / 365.25 days" = 2399 years)
"C/1995 O1 (Hale–Bopp) – JPL Small-Body Database Lookup". ssd.jpl.nasa.gov. Jet Propulsion Laboratory. Retrieved September 18, 2022.
D. K. Yeomans. "Great Comets of History". ssd.jpl.nasa.gov. Jet Propulsion Laboratory. Retrieved June 17, 2014.
Horizons output. "Barycentric Orbital Elements for Epoch 1600". Retrieved September 19, 2022. (Solution using the Solar System barycenter. "AD = 5.24E+02 and PR = 1.5536E+06 / 365.25 days" = 4254 years)

www2.jpl.nasa.gov

M. R. Kidger (April 3, 1997). "Comet Hale–Bopp Light Curve". jpl.nasa.gov. NASA / JPL. Archived from the original on April 7, 2023. Retrieved November 24, 2008.
D. K. Yeomans (April 10, 1997). "Comet Hale–Bopp Orbit and Ephemeris Information". NASA / JPL. Retrieved October 23, 2008.
"Bergeron Comet Hale–Bopp Animation". Stardust. NASA / JPL. Retrieved October 14, 2008.

stardust.jpl.nasa.gov

"Comet Hale–Bopp". Stardust. NASA / JPL. November 26, 2003. Retrieved October 9, 2008.

nssdc.gsfc.nasa.gov

D. R. Williams (December 23, 2005). "Comet Fact Sheet". NASA. Retrieved December 5, 2008. (pre-perturbation orbit: semi-major axis 250 AU; period 4000yr)

solarsystem.nasa.gov

L. Stiles (January 6, 1998). "Eugene Shoemaker Ashes Carried on Lunar Prospector". solarsystem.nasa.gov. NASA. Retrieved February 24, 2025.

nationalgeographic.com

science.nationalgeographic.com

W. Newcott (December 1997). "The Age of Comets". National Geographic Society. Archived from the original on August 29, 2017. Retrieved December 7, 2009. Nobody sends telegrams anymore...

nih.gov

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