Dones et al. 2004, s. 153–173. sfn error: no target: CITEREFDonesWeissmanLevisonDuncan2004 (help) Dones, Luke; Weissman, Paul R.; Levison, Harold F.; Duncan, Martin J (2004). «Comets II»(engelsk). Arkivert fra originalen 24. august 2017. Besøkt 7. juni 2013.CS1-vedlikehold: Flere navn: forfatterliste (link)
Morbidelli & Levison 2004, s. 2564–2576. sfn error: no target: CITEREFMorbidelliLevison2004 (help) Morbidelli, Allessandro; Levison, Harold; Harold Levison (2004). «Scenarios for the Origin of the Orbits of the Trans-Neptunian Objects 2000 CR105 and 2003 VB12 (Sedna)». Astronomical Journal(engelsk). 128 (5). Bibcode:2004AJ....128.2564M. arXiv:astro-ph/0403358. doi:10.1086/424617.CS1-vedlikehold: Flere navn: forfatterliste (link)
Hutsemekers et al. 2005, s. L21–L24. sfn error: no target: CITEREFHutsemekersManfroidJehinArpigny2005 (help) Hutsemekers, D.; Manfroid, J.; Jehin, E.; Arpigny, C.; Cochran, A.; Schulz, R.; St¨uwe, J.A.; Zucconi, J.M. (2005). «Isotopic abundances of carbon and nitrogen in Jupiter-family and Oort Cloud comets». Astronomy and Astrophysics(engelsk). 440 (2). Bibcode:2005A&A...440L..21H. arXiv:astro-ph/0508033. doi:10.1051/0004-6361:200500160.CS1-vedlikehold: Flere navn: forfatterliste (link)
Emelyanenko, Asher & Bailey 2007, s. 779–789. sfn error: no target: CITEREFEmelyanenkoAsherBailey2007 (help) Emelyanenko, V.V.; Asher, D.J.; Bailey, M.E. (2007). «The fundamental role of the Oort Cloud in determining the flux of comets through the planetary system». Monthly Notices of the Royal Astronomical Society(engelsk). 381 (2). Bibcode:2007MNRAS.381..779E. doi:10.1111/j.1365-2966.2007.12269.x.CS1-vedlikehold: Flere navn: forfatterliste (link)
Morbidelli & Levison 2004, s. 2564–2576. sfn error: no target: CITEREFMorbidelliLevison2004 (help) Morbidelli, Allessandro; Levison, Harold; Harold Levison (2004). «Scenarios for the Origin of the Orbits of the Trans-Neptunian Objects 2000 CR105 and 2003 VB12 (Sedna)». Astronomical Journal(engelsk). 128 (5). Bibcode:2004AJ....128.2564M. arXiv:astro-ph/0403358. doi:10.1086/424617.CS1-vedlikehold: Flere navn: forfatterliste (link)
Öpik 1932, s. 169–182. sfn error: no target: CITEREFÖpik1932 (help)Öpik, Ernst Julius (1932). «Note on Stellar Perturbations of Nearby Parabolic Orbits». Proceedings of the American Academy of Arts and Sciences(engelsk). 67 (6). doi:10.2307/20022899.
Hills 1981, s. 1730–1740. sfn error: no target: CITEREFHills1981 (help) Hills, Jack G. (1981). «Comet showers and the steady-state infall of comets from the Oort Cloud». Astronomical Journal(engelsk). 86. Bibcode:1981AJ.....86.1730H. doi:10.1086/113058.
Gibb et al. 2003, s. 391–406. sfn error: no target: CITEREFGibbMummaDello_RussoDiSanti2003 (help) Gibb, E.L.; Mumma, M.J.; Dello Russo, N.; DiSanti, M.A.; Magee-Sauer, K. (2003). «Methane in Oort Cloud comets». Icarus(engelsk). 165 (2). Bibcode:2003Icar..165..391G. doi:10.1016/S0019-1035(03)00201-X.CS1-vedlikehold: Flere navn: forfatterliste (link)
Weissman & Levison 1997, s. L133–L136. sfn error: no target: CITEREFWeissmanLevison1997 (help) Weissman, Paul R.; Levison, Harold F. (1997). «Origin and Evolution of the Unusual Object 1996 PW: Asteroids from the Oort Cloud?». Astrophysical Journal(engelsk). 488 (2). Bibcode:1997ApJ...488L.133W. doi:10.1086/310940.CS1-vedlikehold: Flere navn: forfatterliste (link)
Hutsemekers et al. 2005, s. L21–L24. sfn error: no target: CITEREFHutsemekersManfroidJehinArpigny2005 (help) Hutsemekers, D.; Manfroid, J.; Jehin, E.; Arpigny, C.; Cochran, A.; Schulz, R.; St¨uwe, J.A.; Zucconi, J.M. (2005). «Isotopic abundances of carbon and nitrogen in Jupiter-family and Oort Cloud comets». Astronomy and Astrophysics(engelsk). 440 (2). Bibcode:2005A&A...440L..21H. arXiv:astro-ph/0508033. doi:10.1051/0004-6361:200500160.CS1-vedlikehold: Flere navn: forfatterliste (link)
Ootsubo et al. 2007, s. 1044–1049. sfn error: no target: CITEREFOotsuboWatnabeKawakitaHonda2007 (help) Takafumi Ootsubo, Jun-ichi Watanabe, Hideyo Kawakita, Mitsuhiko Honda and Reiko Furusho (2007). «Grain properties of Oort Cloud comets: Modeling the mineralogical composition of cometary dust from mid-infrared emission features». Highlights in Planetary Science, 2nd General Assembly of Asia Oceania Geophysical Society(engelsk). 55 (9). Bibcode:2007P&SS...55.1044O. doi:10.1016/j.pss.2006.11.012.CS1-vedlikehold: Flere navn: forfatterliste (link)
Mumma, DiSanti & Magee-Sauer 2005, s. 270–274. sfn error: no target: CITEREFMummaDiSantiMagee-Sauer2005 (help) Michael J. Mumma, Michael A. DiSanti, Karen Magee-Sauer; m.fl. (2005). «Parent Volatiles in Comet 9P/Tempel 1: Before and After Impact». Science Express(engelsk). 310 (5746). Bibcode:2005Sci...310..270M. PMID16166477. doi:10.1126/science.1119337.CS1-vedlikehold: Eksplisitt bruk av m.fl. (link)CS1-vedlikehold: Flere navn: forfatterliste (link)
Fernández, Gallard & Brunini 2004, s. 372–381. sfn error: no target: CITEREFFernándezGallardBrunini2004 (help) Fernández, Julio A.; Gallardo, Tabaré; Brunini, Adrián (2004). «The scattered disc population as a source of Oort Cloud comets: evaluation of its current and past role in populating the Oort Cloud». Icarus(engelsk). 172 (2). Bibcode:2004Icar..172..372F. doi:10.1016/j.icarus.2004.07.023.CS1-vedlikehold: Flere navn: forfatterliste (link)
Levison & Dones 2007, s. 575–588. sfn error: no target: CITEREFLevisonDones2007 (help) Harold E. Levison and Luke Dones (2007). «Comet Populations and Cometary dynamics». Encyclopedia of the Solar System(engelsk). doi:10.1016/B978-012088589-3/50035-9.
Fouchard et al. 2006, s. 299–326. sfn error: no target: CITEREFFouchardFroeschléValsecchiRickman2006 (help) Fouchard, Marc; Froeschlé, Christiane; Valsecchi, Giovanni; Rickman, Hans (2006). «Long-term effects of the galactic tide on cometary dynamics». Celestial Mechanics and Dynamical Astronomy(engelsk). 95 (1–4). Bibcode:2006CeMDA..95..299F. doi:10.1007/s10569-006-9027-8.CS1-vedlikehold: Flere navn: forfatterliste (link)
Nurmi, Valtonen & Zheng 2001, s. 1367–1376. sfn error: no target: CITEREFNurmiValtonenZheng2001 (help) Nurmi P.; Valtonen M.J.; Zheng J.Q. (2001). «Periodic variation of Oort Cloud flux and cometary impacts on the Earth and Jupiter». Monthly Notices of the Royal Astronomical Society(engelsk). 327 (4). Bibcode:2001MNRAS.327.1367N. doi:10.1046/j.1365-8711.2001.04854.x.CS1-vedlikehold: Flere navn: forfatterliste (link)
Matese & Lissauer 2004, s. 508–513. sfn error: no target: CITEREFMateseLissauer2004 (help) Matese, John J.; Lissauer, Jack J. (2004). «Perihelion evolution of observed new comets implies the dominance of the galactic tide in making Oort Cloud comets discernible». Icarus(engelsk). 170 (2). Bibcode:2004Icar..170..508M. doi:10.1016/j.icarus.2004.03.019.CS1-vedlikehold: Flere navn: forfatterliste (link)
Higuchi, Kokubo & Mukai 2006, s. 1119–1129. sfn error: no target: CITEREFHiguchiKokuboMukai2006 (help) Higuchi, A.; Kokubo, E.; Mukai, T. (2006). «Scattering of Planetesimals by a Planet: Formation of Comet Cloud Candidates». Astronomical Journal(engelsk). 131 (2). Bibcode:2006AJ....131.1119H. doi:10.1086/498892.CS1-vedlikehold: Flere navn: forfatterliste (link)
Hills 1984, s. 636–638. sfn error: no target: CITEREFHills1984 (help) Hills, J.G. (1984). «Dynamical constraints on the mass and perihelion distance of Nemesis and the stability of its orbit». Nature(engelsk). 311 (5987). Bibcode:1984Natur.311..636H. doi:10.1038/311636a0.
Gomes, Matese & Lissauer 2006, s. 589–601. sfn error: no target: CITEREFGomesMateseLissauer2006 (help) Gomes, Rodney S.; Matese, John J.; Lissauer, Jack J. (2006). «A distant planetary-mass solar companion may have produced distant detached objects». Icarus(engelsk). 184 (2). Bibcode:2006Icar..184..589G. doi:10.1016/j.icarus.2006.05.026.CS1-vedlikehold: Flere navn: forfatterliste (link)
Milgrom 1983, s. 365–370. sfn error: no target: CITEREFMilgrom1983 (help) Milgrom, M. (1983). «A modification of the newtonian dynamics as a possible alternative to the hidden mass hypothesis». Astrophysical Journal(engelsk). 270. Bibcode:1983ApJ...270..365M. doi:10.1086/161130.
Milgrom 1986, s. 617–625. sfn error: no target: CITEREFMilgrom1986 (help) Milgrom, M. (1986). «Solutions for the modified Newtonian dynamics field equation». Astrophysical Journal(engelsk). 302. Bibcode:1986ApJ...302..617M. doi:10.1086/164021.
Emelyanenko, Asher & Bailey 2007, s. 779–789. sfn error: no target: CITEREFEmelyanenkoAsherBailey2007 (help) Emelyanenko, V.V.; Asher, D.J.; Bailey, M.E. (2007). «The fundamental role of the Oort Cloud in determining the flux of comets through the planetary system». Monthly Notices of the Royal Astronomical Society(engelsk). 381 (2). Bibcode:2007MNRAS.381..779E. doi:10.1111/j.1365-2966.2007.12269.x.CS1-vedlikehold: Flere navn: forfatterliste (link)
Morbidelli & Levison 2004, s. 2564–2576. sfn error: no target: CITEREFMorbidelliLevison2004 (help) Morbidelli, Allessandro; Levison, Harold; Harold Levison (2004). «Scenarios for the Origin of the Orbits of the Trans-Neptunian Objects 2000 CR105 and 2003 VB12 (Sedna)». Astronomical Journal(engelsk). 128 (5). Bibcode:2004AJ....128.2564M. arXiv:astro-ph/0403358. doi:10.1086/424617.CS1-vedlikehold: Flere navn: forfatterliste (link)
Oort 1950, s. 91–110. sfn error: no target: CITEREFOort1950 (help)Oort, Jan (1950). «The structure of the cloud of comets surrounding the Solar System and a hypothesis concerning its origin». Bulletin of the Astronomical Institutes of the Netherlands(engelsk). 11. Bibcode:1950BAN....11...91O.
Hills 1981, s. 1730–1740. sfn error: no target: CITEREFHills1981 (help) Hills, Jack G. (1981). «Comet showers and the steady-state infall of comets from the Oort Cloud». Astronomical Journal(engelsk). 86. Bibcode:1981AJ.....86.1730H. doi:10.1086/113058.
Weissman 1983, s. 90–94. sfn error: no target: CITEREFWeissman1983 (help) Weissman, Paul R. (1983). «The mass of the Oort Cloud». Astronomy and Astrophysics(engelsk). 118 (1). Bibcode:1983A&A...118...90W.
Gibb et al. 2003, s. 391–406. sfn error: no target: CITEREFGibbMummaDello_RussoDiSanti2003 (help) Gibb, E.L.; Mumma, M.J.; Dello Russo, N.; DiSanti, M.A.; Magee-Sauer, K. (2003). «Methane in Oort Cloud comets». Icarus(engelsk). 165 (2). Bibcode:2003Icar..165..391G. doi:10.1016/S0019-1035(03)00201-X.CS1-vedlikehold: Flere navn: forfatterliste (link)
Weissman & Levison 1997, s. L133–L136. sfn error: no target: CITEREFWeissmanLevison1997 (help) Weissman, Paul R.; Levison, Harold F. (1997). «Origin and Evolution of the Unusual Object 1996 PW: Asteroids from the Oort Cloud?». Astrophysical Journal(engelsk). 488 (2). Bibcode:1997ApJ...488L.133W. doi:10.1086/310940.CS1-vedlikehold: Flere navn: forfatterliste (link)
Hutsemekers et al. 2005, s. L21–L24. sfn error: no target: CITEREFHutsemekersManfroidJehinArpigny2005 (help) Hutsemekers, D.; Manfroid, J.; Jehin, E.; Arpigny, C.; Cochran, A.; Schulz, R.; St¨uwe, J.A.; Zucconi, J.M. (2005). «Isotopic abundances of carbon and nitrogen in Jupiter-family and Oort Cloud comets». Astronomy and Astrophysics(engelsk). 440 (2). Bibcode:2005A&A...440L..21H. arXiv:astro-ph/0508033. doi:10.1051/0004-6361:200500160.CS1-vedlikehold: Flere navn: forfatterliste (link)
Ootsubo et al. 2007, s. 1044–1049. sfn error: no target: CITEREFOotsuboWatnabeKawakitaHonda2007 (help) Takafumi Ootsubo, Jun-ichi Watanabe, Hideyo Kawakita, Mitsuhiko Honda and Reiko Furusho (2007). «Grain properties of Oort Cloud comets: Modeling the mineralogical composition of cometary dust from mid-infrared emission features». Highlights in Planetary Science, 2nd General Assembly of Asia Oceania Geophysical Society(engelsk). 55 (9). Bibcode:2007P&SS...55.1044O. doi:10.1016/j.pss.2006.11.012.CS1-vedlikehold: Flere navn: forfatterliste (link)
Mumma, DiSanti & Magee-Sauer 2005, s. 270–274. sfn error: no target: CITEREFMummaDiSantiMagee-Sauer2005 (help) Michael J. Mumma, Michael A. DiSanti, Karen Magee-Sauer; m.fl. (2005). «Parent Volatiles in Comet 9P/Tempel 1: Before and After Impact». Science Express(engelsk). 310 (5746). Bibcode:2005Sci...310..270M. PMID16166477. doi:10.1126/science.1119337.CS1-vedlikehold: Eksplisitt bruk av m.fl. (link)CS1-vedlikehold: Flere navn: forfatterliste (link)
Fernández, Gallard & Brunini 2004, s. 372–381. sfn error: no target: CITEREFFernándezGallardBrunini2004 (help) Fernández, Julio A.; Gallardo, Tabaré; Brunini, Adrián (2004). «The scattered disc population as a source of Oort Cloud comets: evaluation of its current and past role in populating the Oort Cloud». Icarus(engelsk). 172 (2). Bibcode:2004Icar..172..372F. doi:10.1016/j.icarus.2004.07.023.CS1-vedlikehold: Flere navn: forfatterliste (link)
Fouchard et al. 2006, s. 299–326. sfn error: no target: CITEREFFouchardFroeschléValsecchiRickman2006 (help) Fouchard, Marc; Froeschlé, Christiane; Valsecchi, Giovanni; Rickman, Hans (2006). «Long-term effects of the galactic tide on cometary dynamics». Celestial Mechanics and Dynamical Astronomy(engelsk). 95 (1–4). Bibcode:2006CeMDA..95..299F. doi:10.1007/s10569-006-9027-8.CS1-vedlikehold: Flere navn: forfatterliste (link)
Higuchi, Kokubo & Mukai 2005, s. 510. sfn error: no target: CITEREFHiguchiKokuboMukai2005 (help) Higuchi A., Kokubo E. & Mukai, T. (2005). «Orbital Evolution of Planetesimals by the Galactic Tide». Bulletin of the American Astronomical Society(engelsk). 37. Bibcode:2005DDA....36.0205H.CS1-vedlikehold: Flere navn: forfatterliste (link)
Nurmi, Valtonen & Zheng 2001, s. 1367–1376. sfn error: no target: CITEREFNurmiValtonenZheng2001 (help) Nurmi P.; Valtonen M.J.; Zheng J.Q. (2001). «Periodic variation of Oort Cloud flux and cometary impacts on the Earth and Jupiter». Monthly Notices of the Royal Astronomical Society(engelsk). 327 (4). Bibcode:2001MNRAS.327.1367N. doi:10.1046/j.1365-8711.2001.04854.x.CS1-vedlikehold: Flere navn: forfatterliste (link)
Matese & Lissauer 2004, s. 508–513. sfn error: no target: CITEREFMateseLissauer2004 (help) Matese, John J.; Lissauer, Jack J. (2004). «Perihelion evolution of observed new comets implies the dominance of the galactic tide in making Oort Cloud comets discernible». Icarus(engelsk). 170 (2). Bibcode:2004Icar..170..508M. doi:10.1016/j.icarus.2004.03.019.CS1-vedlikehold: Flere navn: forfatterliste (link)
Higuchi, Kokubo & Mukai 2006, s. 1119–1129. sfn error: no target: CITEREFHiguchiKokuboMukai2006 (help) Higuchi, A.; Kokubo, E.; Mukai, T. (2006). «Scattering of Planetesimals by a Planet: Formation of Comet Cloud Candidates». Astronomical Journal(engelsk). 131 (2). Bibcode:2006AJ....131.1119H. doi:10.1086/498892.CS1-vedlikehold: Flere navn: forfatterliste (link)
Hills 1984, s. 636–638. sfn error: no target: CITEREFHills1984 (help) Hills, J.G. (1984). «Dynamical constraints on the mass and perihelion distance of Nemesis and the stability of its orbit». Nature(engelsk). 311 (5987). Bibcode:1984Natur.311..636H. doi:10.1038/311636a0.
Gomes, Matese & Lissauer 2006, s. 589–601. sfn error: no target: CITEREFGomesMateseLissauer2006 (help) Gomes, Rodney S.; Matese, John J.; Lissauer, Jack J. (2006). «A distant planetary-mass solar companion may have produced distant detached objects». Icarus(engelsk). 184 (2). Bibcode:2006Icar..184..589G. doi:10.1016/j.icarus.2006.05.026.CS1-vedlikehold: Flere navn: forfatterliste (link)
Milgrom 1983, s. 365–370. sfn error: no target: CITEREFMilgrom1983 (help) Milgrom, M. (1983). «A modification of the newtonian dynamics as a possible alternative to the hidden mass hypothesis». Astrophysical Journal(engelsk). 270. Bibcode:1983ApJ...270..365M. doi:10.1086/161130.
Milgrom 1986, s. 617–625. sfn error: no target: CITEREFMilgrom1986 (help) Milgrom, M. (1986). «Solutions for the modified Newtonian dynamics field equation». Astrophysical Journal(engelsk). 302. Bibcode:1986ApJ...302..617M. doi:10.1086/164021.
Mumma, DiSanti & Magee-Sauer 2005, s. 270–274. sfn error: no target: CITEREFMummaDiSantiMagee-Sauer2005 (help) Michael J. Mumma, Michael A. DiSanti, Karen Magee-Sauer; m.fl. (2005). «Parent Volatiles in Comet 9P/Tempel 1: Before and After Impact». Science Express(engelsk). 310 (5746). Bibcode:2005Sci...310..270M. PMID16166477. doi:10.1126/science.1119337.CS1-vedlikehold: Eksplisitt bruk av m.fl. (link)CS1-vedlikehold: Flere navn: forfatterliste (link)
Dones et al. 2004, s. 153–173. sfn error: no target: CITEREFDonesWeissmanLevisonDuncan2004 (help) Dones, Luke; Weissman, Paul R.; Levison, Harold F.; Duncan, Martin J (2004). «Comets II»(engelsk). Arkivert fra originalen 24. august 2017. Besøkt 7. juni 2013.CS1-vedlikehold: Flere navn: forfatterliste (link)