Interstellar travel (English Wikipedia)

Hein, A. M.; et al. (2012). "World Ships: Architectures & Feasibility Revisited". Journal of the British Interplanetary Society. 65: 119–133. Bibcode:2012JBIS...65..119H. Archived from the original on 16 December 2021. Retrieved 1 November 2017.
Hein, Andreas; et al. (January 2012). World Ships – Architectures & Feasibility Revisited (Report). Archived from the original on 16 December 2021. Retrieved 7 February 2013.

adsabs.harvard.edu (Global: 14^th place; English: 9^th place)

ui.adsabs.harvard.edu

Zirnstein, E.J (2013). "Simulating the Compton-Getting Effect for Hydrogen Flux Measurements: Implications for IBEX-Hi and -Lo Observations". Astrophysical Journal. 778 (2): 112–127. Bibcode:2013ApJ...778..112Z. doi:10.1088/0004-637x/778/2/112.
Crawford, I. A. (2011). "Project Icarus: A review of local interstellar medium properties of relevance for space missions to the nearest stars". Acta Astronautica. 68 (7–8): 691–699. arXiv:1010.4823. Bibcode:2011AcAau..68..691C. doi:10.1016/j.actaastro.2010.10.016. S2CID 101553.
Forward, Robert L. (1996). "Ad Astra!". Journal of the British Interplanetary Society. 49 (1): 23–32. Bibcode:1996JBIS...49...23F.
Kennedy, Andrew (July 2006). "Interstellar Travel: The Wait Calculation and the Incentive Trap of Progress" (PDF). Journal of the British Interplanetary Society. 59 (7): 239–246. Bibcode:2006JBIS...59..239K. Retrieved 9 June 2023.
Robertson, Paul; Mahadevan, Suvrath (October 2014). "Disentangling Planets and Stellar Activity for Gliese 667C". The Astrophysical Journal. 793 (2): L24. arXiv:1409.0021. Bibcode:2014ApJ...793L..24R. doi:10.1088/2041-8205/793/2/L24. S2CID 118404871.
Perakis, Nikolaos; Schrenk, Lukas E.; Gutsmiedl, Johannes; Koop, Artur; Losekamm, Martin J. (2016). "Project Dragonfly: A feasibility study of interstellar travel using laser-powered light sail propulsion". Acta Astronautica. 129: 316–324. Bibcode:2016AcAau.129..316P. doi:10.1016/j.actaastro.2016.09.030.
Häfner, Tobias; Kushwaha, Manisha; Celik, Onur; Bellizzi, Filippo (2019). "Project Dragonfly: Sail to the stars". Acta Astronautica. 154: 311–319. Bibcode:2019AcAau.154..311H. doi:10.1016/j.actaastro.2018.05.018.
Hein, A. M.; et al. (2012). "World Ships: Architectures & Feasibility Revisited". Journal of the British Interplanetary Society. 65: 119–133. Bibcode:2012JBIS...65..119H. Archived from the original on 16 December 2021. Retrieved 1 November 2017.
Bond, A.; Martin, A.R. (1984). "World Ships – An Assessment of the Engineering Feasibility". Journal of the British Interplanetary Society. 37: 254–266. Bibcode:1984JBIS...37..254B.
Crowl, A.; Hunt, J.; Hein, A.M. (2012). "Embryo Space Colonisation to Overcome the Interstellar Time Distance Bottleneck". Journal of the British Interplanetary Society. 65: 283–285. Bibcode:2012JBIS...65..283C. Archived from the original on 31 July 2020. Retrieved 12 April 2013.
Crawford, I. A. (1990). "Interstellar Travel: A Review for Astronomers". Quarterly Journal of the Royal Astronomical Society. 31: 377–400. Bibcode:1990QJRAS..31..377C.
Zaccone, Alessio. (November 2024). "Relativistic theory of the viscosity of fluids across the entire energy spectrum". Physical Review E. 110 (5) L052101. arXiv:2406.18434. Bibcode:2024PhRvE.110e2101Z. doi:10.1103/PhysRevE.110.L052101. hdl:2434/1118568. PMID 39690679.
Bond, A.; Martin, A. R. (1 January 1978). "Project Daedalus". Journal of the British Interplanetary Society Supplement. 31: S5–S7. Bibcode:1978JBIS...31S...5B – via NASA ADS.
Freeman J. Dyson (October 1968). "Interstellar Transport". Physics Today. 21 (10): 41. Bibcode:1968PhT....21j..41D. doi:10.1063/1.3034534.
Lenard, Roger X.; Andrews, Dana G. (June 2007). "Use of Mini-Mag Orion and superconducting coils for near-term interstellar transportation" (PDF). Acta Astronautica. 61 (1–6): 450–458. Bibcode:2007AcAau..61..450L. doi:10.1016/j.actaastro.2007.01.052. Archived from the original (PDF) on 17 June 2014. Retrieved 24 November 2013.
Winterberg, F. (21 August 2012). "Matter–antimatter gigaelectron volt gamma ray laser rocket propulsion". Acta Astronautica. 81 (1): 34–39. Bibcode:2012AcAau..81...34W. doi:10.1016/j.actaastro.2012.07.001.
Lenard, Roger X.; Andrews, Dana G. (June 2007). "Use of Mini-Mag Orion and superconducting coils for near-term interstellar transportation" (PDF). Acta Astronautica. 61 (1–6): 450–458. Bibcode:2007AcAau..61..450L. doi:10.1016/j.actaastro.2007.01.052. Archived from the original (PDF) on 17 June 2014. Retrieved 24 November 2013.
Forward, R.L. (1984). "Roundtrip Interstellar Travel Using Laser-Pushed Lightsails". J Spacecraft. 21 (2): 187–195. Bibcode:1984JSpRo..21..187F. doi:10.2514/3.8632.
Heller, René; Hippke, Michael; Kervella, Pierre (2017). "Optimized trajectories to the nearest stars using lightweight high-velocity photon sails". The Astronomical Journal. 154 (3): 115. arXiv:1704.03871. Bibcode:2017AJ....154..115H. doi:10.3847/1538-3881/aa813f. S2CID 119070263.
Roger X. Lenard; Ronald J. Lipinski (2000). "Interstellar rendezvous missions employing fission propulsion systems". AIP Conference Proceedings. 504: 1544–1555. Bibcode:2000AIPC..504.1544L. doi:10.1063/1.1290979.
Larrouturou, Mathias N.; Higgns, Andrew J.; Greason, Jeffrey K. (28 November 2022). "Dynamic soaring as a means to exceed the solar wind speed". Frontiers in Space Technologies. 3 1017442. arXiv:2211.14643. Bibcode:2022FrST....317442L. doi:10.3389/frspt.2022.1017442.
Crawford, Ian A. (1995). "Some thoughts on the implications of faster-than-light interstellar space travel". Quarterly Journal of the Royal Astronomical Society. 36: 205–218. Bibcode:1995QJRAS..36..205C.
Feinberg, G. (1967). "Possibility of faster-than-light particles". Physical Review. 159 (5): 1089–1105. Bibcode:1967PhRv..159.1089F. doi:10.1103/physrev.159.1089.
Alcubierre, Miguel (1994). "The warp drive: hyper-fast travel within general relativity". Classical and Quantum Gravity. 11 (5): L73–L77. arXiv:gr-qc/0009013. Bibcode:1994CQGra..11L..73A. doi:10.1088/0264-9381/11/5/001. S2CID 4797900.
John G. Cramer; Robert L. Forward; Michael S. Morris; Matt Visser; Gregory Benford; Geoffrey A. Landis (15 March 1995). "Natural Wormholes as Gravitational Lenses". Physical Review D. 51 (3117): 3117–3120. arXiv:ph/9409051. Bibcode:1995PhRvD..51.3117C. doi:10.1103/PhysRevD.51.3117. PMID 10018782. S2CID 42837620.
Smith, Cameron M (2014). "Estimation of a genetically viable population for multigenerational interstellar voyaging: Review and data for project Hyperion". Acta Astronautica. 97: 16–29. Bibcode:2014AcAau..97...16S. doi:10.1016/j.actaastro.2013.12.013.
Smith, Cameron M. (2014). "Estimation of a genetically viable population for multigenerational interstellar voyaging: Review and data for project Hyperion". Acta Astronautica. 97: 16–29. Bibcode:2014AcAau..97...16S. doi:10.1016/j.actaastro.2013.12.013.
Forward, R. L. (May–June 1985). "Starwisp – An ultra-light interstellar probe". Journal of Spacecraft and Rockets. 22 (3): 345–350. Bibcode:1985JSpRo..22..345F. doi:10.2514/3.25754.
Benford, James; Benford, Gregory (2003). "Near-Term Beamed Sail Propulsion Missions: Cosmos-1 and Sun-Diver" (PDF). Beamed Energy Propulsion. 664. Department of Physics, University of California, Irvine: 358. Bibcode:2003AIPC..664..358B. doi:10.1063/1.1582124. Archived from the original (PDF) on 24 October 2014.
Kulkarni, Neeraj; Lubin, Philip; Zhang, Qicheng (2017). "Relativistic Spacecraft Propelled by Directed Energy". The Astronomical Journal. 155 (4): 155. arXiv:1710.10732. Bibcode:2018AJ....155..155K. doi:10.3847/1538-3881/aaafd2. S2CID 62839612.
Gros, Claudius (5 September 2016). "Developing ecospheres on transiently habitable planets: the genesis project". Astrophysics and Space Science. 361 (10) 324. arXiv:1608.06087. Bibcode:2016Ap&SS.361..324G. doi:10.1007/s10509-016-2911-0. S2CID 6106567.

aiaa.org (Global: 7,476^th place; English: 4,758^th place)

arc.aiaa.org

Bennett, Gary; Forward, Robert; Frisbee, Robert (10 July 1995). "Report on the NASA/JPL Workshop on advanced quantum/relativity theory propulsion". 31st Joint Propulsion Conference and Exhibit. American Institute of Aeronautics and Astronautics. doi:10.2514/6.1995-2599. Retrieved 8 September 2020.

aps.org (Global: 1,264^th place; English: 951^st place)

journals.aps.org

Zaccone, Alessio. (November 2024). "Relativistic theory of the viscosity of fluids across the entire energy spectrum". Physical Review E. 110 (5) L052101. arXiv:2406.18434. Bibcode:2024PhRvE.110e2101Z. doi:10.1103/PhysRevE.110.L052101. hdl:2434/1118568. PMID 39690679.

archive.org (Global: 6^th place; English: 6^th place)

NASA (1977). Space Settlements: A Design Study (1977).
"Clock paradox III" (PDF). Archived from the original (PDF) on 21 July 2017. Retrieved 31 August 2014. Taylor, Edwin F.; Wheeler, John Archibald (1966). "Chapter 1 Exercise 51". Spacetime Physics. W.H. Freeman, San Francisco. pp. 97–98. ISBN 978-0-7167-0336-5.
Clarke, Arthur C. (1951). The Exploration of Space. New York: Harper.

arxiv.org (Global: 49^th place; English: 31^st place)

Crawford, I. A. (2011). "Project Icarus: A review of local interstellar medium properties of relevance for space missions to the nearest stars". Acta Astronautica. 68 (7–8): 691–699. arXiv:1010.4823. Bibcode:2011AcAau..68..691C. doi:10.1016/j.actaastro.2010.10.016. S2CID 101553.
Robertson, Paul; Mahadevan, Suvrath (October 2014). "Disentangling Planets and Stellar Activity for Gliese 667C". The Astrophysical Journal. 793 (2): L24. arXiv:1409.0021. Bibcode:2014ApJ...793L..24R. doi:10.1088/2041-8205/793/2/L24. S2CID 118404871.
Hein, A.M.; Smith, C.; Marin, F.; Staats, K. (2020). "World Ships: Feasibility and Rationale". Acta Futura. 12: 75–104. arXiv:2005.04100. doi:10.5281/zenodo.3747333. S2CID 218571111. Archived from the original on 16 May 2021. Retrieved 1 June 2020.
Zaccone, Alessio. (November 2024). "Relativistic theory of the viscosity of fluids across the entire energy spectrum". Physical Review E. 110 (5) L052101. arXiv:2406.18434. Bibcode:2024PhRvE.110e2101Z. doi:10.1103/PhysRevE.110.L052101. hdl:2434/1118568. PMID 39690679.
Heller, René; Hippke, Michael; Kervella, Pierre (2017). "Optimized trajectories to the nearest stars using lightweight high-velocity photon sails". The Astronomical Journal. 154 (3): 115. arXiv:1704.03871. Bibcode:2017AJ....154..115H. doi:10.3847/1538-3881/aa813f. S2CID 119070263.
Larrouturou, Mathias N.; Higgns, Andrew J.; Greason, Jeffrey K. (28 November 2022). "Dynamic soaring as a means to exceed the solar wind speed". Frontiers in Space Technologies. 3 1017442. arXiv:2211.14643. Bibcode:2022FrST....317442L. doi:10.3389/frspt.2022.1017442.
Crane, Louis; Westmoreland, Shawn (2009). "Are Black Hole Starships Possible". arXiv:0908.1803 [gr-qc].
Alcubierre, Miguel (1994). "The warp drive: hyper-fast travel within general relativity". Classical and Quantum Gravity. 11 (5): L73–L77. arXiv:gr-qc/0009013. Bibcode:1994CQGra..11L..73A. doi:10.1088/0264-9381/11/5/001. S2CID 4797900.
John G. Cramer; Robert L. Forward; Michael S. Morris; Matt Visser; Gregory Benford; Geoffrey A. Landis (15 March 1995). "Natural Wormholes as Gravitational Lenses". Physical Review D. 51 (3117): 3117–3120. arXiv:ph/9409051. Bibcode:1995PhRvD..51.3117C. doi:10.1103/PhysRevD.51.3117. PMID 10018782. S2CID 42837620.
Kulkarni, Neeraj; Lubin, Philip; Zhang, Qicheng (2017). "Relativistic Spacecraft Propelled by Directed Energy". The Astronomical Journal. 155 (4): 155. arXiv:1710.10732. Bibcode:2018AJ....155..155K. doi:10.3847/1538-3881/aaafd2. S2CID 62839612.
Gros, Claudius (5 September 2016). "Developing ecospheres on transiently habitable planets: the genesis project". Astrophysics and Space Science. 361 (10) 324. arXiv:1608.06087. Bibcode:2016Ap&SS.361..324G. doi:10.1007/s10509-016-2911-0. S2CID 6106567.

bbc.com (Global: 26^th place; English: 23^rd place)

Nogrady, Bianca (4 October 2016). "The myths and reality about interstellar travel". BBC Future. Archived from the original on 12 July 2017. Retrieved 16 June 2017.

books.google.com (Global: 3^rd place; English: 3^rd place)

Gibson, Dirk C. (2015). Terrestrial and Extraterrestrial Space Dangers: Outer Space Perils, Rocket Risks and the Health Consequences of the Space Environment. Bentham Science Publishers. p. 1. ISBN 978-1-60805-991-1.

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caltech.edu (Global: 240^th place; English: 473^rd place)

kiss.caltech.edu

Garrett, Henry (30 July 2012). There and Back Again: A Layman's Guide to Ultra-Reliability for Interstellar Missions (PDF) (Report). Archived from the original (PDF) on 8 May 2014.

ugcs.caltech.edu

Benford, James; Benford, Gregory (2003). "Near-Term Beamed Sail Propulsion Missions: Cosmos-1 and Sun-Diver" (PDF). Beamed Energy Propulsion. 664. Department of Physics, University of California, Irvine: 358. Bibcode:2003AIPC..664..358B. doi:10.1063/1.1582124. Archived from the original (PDF) on 24 October 2014.

centauri-dreams.org (Global: low place; English: low place)

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cern.ch (Global: 2,552^nd place; English: 2,008^th place)

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doi.org (Global: 2^nd place; English: 2^nd place)

Zirnstein, E.J (2013). "Simulating the Compton-Getting Effect for Hydrogen Flux Measurements: Implications for IBEX-Hi and -Lo Observations". Astrophysical Journal. 778 (2): 112–127. Bibcode:2013ApJ...778..112Z. doi:10.1088/0004-637x/778/2/112.
Crawford, I. A. (2011). "Project Icarus: A review of local interstellar medium properties of relevance for space missions to the nearest stars". Acta Astronautica. 68 (7–8): 691–699. arXiv:1010.4823. Bibcode:2011AcAau..68..691C. doi:10.1016/j.actaastro.2010.10.016. S2CID 101553.
Robertson, Paul; Mahadevan, Suvrath (October 2014). "Disentangling Planets and Stellar Activity for Gliese 667C". The Astrophysical Journal. 793 (2): L24. arXiv:1409.0021. Bibcode:2014ApJ...793L..24R. doi:10.1088/2041-8205/793/2/L24. S2CID 118404871.
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Häfner, Tobias; Kushwaha, Manisha; Celik, Onur; Bellizzi, Filippo (2019). "Project Dragonfly: Sail to the stars". Acta Astronautica. 154: 311–319. Bibcode:2019AcAau.154..311H. doi:10.1016/j.actaastro.2018.05.018.
Hein, A.M.; Smith, C.; Marin, F.; Staats, K. (2020). "World Ships: Feasibility and Rationale". Acta Futura. 12: 75–104. arXiv:2005.04100. doi:10.5281/zenodo.3747333. S2CID 218571111. Archived from the original on 16 May 2021. Retrieved 1 June 2020.
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Zaccone, Alessio. (November 2024). "Relativistic theory of the viscosity of fluids across the entire energy spectrum". Physical Review E. 110 (5) L052101. arXiv:2406.18434. Bibcode:2024PhRvE.110e2101Z. doi:10.1103/PhysRevE.110.L052101. hdl:2434/1118568. PMID 39690679.
Choueiri, Edgar Y. (2009) New dawn of electric rocket Scientific American 300, 58—65 doi:10.1038/scientificamerican0209-58
Freeman J. Dyson (October 1968). "Interstellar Transport". Physics Today. 21 (10): 41. Bibcode:1968PhT....21j..41D. doi:10.1063/1.3034534.
Lenard, Roger X.; Andrews, Dana G. (June 2007). "Use of Mini-Mag Orion and superconducting coils for near-term interstellar transportation" (PDF). Acta Astronautica. 61 (1–6): 450–458. Bibcode:2007AcAau..61..450L. doi:10.1016/j.actaastro.2007.01.052. Archived from the original (PDF) on 17 June 2014. Retrieved 24 November 2013.
Winterberg, F. (21 August 2012). "Matter–antimatter gigaelectron volt gamma ray laser rocket propulsion". Acta Astronautica. 81 (1): 34–39. Bibcode:2012AcAau..81...34W. doi:10.1016/j.actaastro.2012.07.001.
Lenard, Roger X.; Andrews, Dana G. (June 2007). "Use of Mini-Mag Orion and superconducting coils for near-term interstellar transportation" (PDF). Acta Astronautica. 61 (1–6): 450–458. Bibcode:2007AcAau..61..450L. doi:10.1016/j.actaastro.2007.01.052. Archived from the original (PDF) on 17 June 2014. Retrieved 24 November 2013.
Forward, R.L. (1984). "Roundtrip Interstellar Travel Using Laser-Pushed Lightsails". J Spacecraft. 21 (2): 187–195. Bibcode:1984JSpRo..21..187F. doi:10.2514/3.8632.
Heller, René; Hippke, Michael; Kervella, Pierre (2017). "Optimized trajectories to the nearest stars using lightweight high-velocity photon sails". The Astronomical Journal. 154 (3): 115. arXiv:1704.03871. Bibcode:2017AJ....154..115H. doi:10.3847/1538-3881/aa813f. S2CID 119070263.
Roger X. Lenard; Ronald J. Lipinski (2000). "Interstellar rendezvous missions employing fission propulsion systems". AIP Conference Proceedings. 504: 1544–1555. Bibcode:2000AIPC..504.1544L. doi:10.1063/1.1290979.
Larrouturou, Mathias N.; Higgns, Andrew J.; Greason, Jeffrey K. (28 November 2022). "Dynamic soaring as a means to exceed the solar wind speed". Frontiers in Space Technologies. 3 1017442. arXiv:2211.14643. Bibcode:2022FrST....317442L. doi:10.3389/frspt.2022.1017442.
Feinberg, G. (1967). "Possibility of faster-than-light particles". Physical Review. 159 (5): 1089–1105. Bibcode:1967PhRv..159.1089F. doi:10.1103/physrev.159.1089.
Alcubierre, Miguel (1994). "The warp drive: hyper-fast travel within general relativity". Classical and Quantum Gravity. 11 (5): L73–L77. arXiv:gr-qc/0009013. Bibcode:1994CQGra..11L..73A. doi:10.1088/0264-9381/11/5/001. S2CID 4797900.
John G. Cramer; Robert L. Forward; Michael S. Morris; Matt Visser; Gregory Benford; Geoffrey A. Landis (15 March 1995). "Natural Wormholes as Gravitational Lenses". Physical Review D. 51 (3117): 3117–3120. arXiv:ph/9409051. Bibcode:1995PhRvD..51.3117C. doi:10.1103/PhysRevD.51.3117. PMID 10018782. S2CID 42837620.
Smith, Cameron M (2014). "Estimation of a genetically viable population for multigenerational interstellar voyaging: Review and data for project Hyperion". Acta Astronautica. 97: 16–29. Bibcode:2014AcAau..97...16S. doi:10.1016/j.actaastro.2013.12.013.
Smith, Cameron M. (2014). "Estimation of a genetically viable population for multigenerational interstellar voyaging: Review and data for project Hyperion". Acta Astronautica. 97: 16–29. Bibcode:2014AcAau..97...16S. doi:10.1016/j.actaastro.2013.12.013.
Bennett, Gary; Forward, Robert; Frisbee, Robert (10 July 1995). "Report on the NASA/JPL Workshop on advanced quantum/relativity theory propulsion". 31st Joint Propulsion Conference and Exhibit. American Institute of Aeronautics and Astronautics. doi:10.2514/6.1995-2599. Retrieved 8 September 2020.
Forward, R. L. (May–June 1985). "Starwisp – An ultra-light interstellar probe". Journal of Spacecraft and Rockets. 22 (3): 345–350. Bibcode:1985JSpRo..22..345F. doi:10.2514/3.25754.
Benford, James; Benford, Gregory (2003). "Near-Term Beamed Sail Propulsion Missions: Cosmos-1 and Sun-Diver" (PDF). Beamed Energy Propulsion. 664. Department of Physics, University of California, Irvine: 358. Bibcode:2003AIPC..664..358B. doi:10.1063/1.1582124. Archived from the original (PDF) on 24 October 2014.
Kulkarni, Neeraj; Lubin, Philip; Zhang, Qicheng (2017). "Relativistic Spacecraft Propelled by Directed Energy". The Astronomical Journal. 155 (4): 155. arXiv:1710.10732. Bibcode:2018AJ....155..155K. doi:10.3847/1538-3881/aaafd2. S2CID 62839612.
Gros, Claudius (5 September 2016). "Developing ecospheres on transiently habitable planets: the genesis project". Astrophysics and Space Science. 361 (10) 324. arXiv:1608.06087. Bibcode:2016Ap&SS.361..324G. doi:10.1007/s10509-016-2911-0. S2CID 6106567.

dtic.mil (Global: 934^th place; English: 530^th place)

apps.dtic.mil

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eftaylor.com (Global: low place; English: low place)

"Clock paradox III" (PDF). Archived from the original (PDF) on 21 July 2017. Retrieved 31 August 2014. Taylor, Edwin F.; Wheeler, John Archibald (1966). "Chapter 1 Exercise 51". Spacetime Physics. W.H. Freeman, San Francisco. pp. 97–98. ISBN 978-0-7167-0336-5.

exoplanet.eu (Global: 4,512^th place; English: 9,978^th place)

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galegroup.com (Global: 2,044^th place; English: 1,045^th place)

go.galegroup.com

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geoffreylandis.com (Global: low place; English: low place)

Landis, Geoffrey A. (29 August 1994). Laser-powered Interstellar Probe. Conference on Practical Robotic Interstellar Flight. NY University, New York, NY. Archived from the original on 2 October 2013.

google.ru (Global: 3,180^th place; English: low place)

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gwern.net (Global: low place; English: low place)

Kennedy, Andrew (July 2006). "Interstellar Travel: The Wait Calculation and the Incentive Trap of Progress" (PDF). Journal of the British Interplanetary Society. 59 (7): 239–246. Bibcode:2006JBIS...59..239K. Retrieved 9 June 2023.

hdl.handle.net (Global: 66^th place; English: 34^th place)

Zaccone, Alessio. (November 2024). "Relativistic theory of the viscosity of fluids across the entire energy spectrum". Physical Review E. 110 (5) L052101. arXiv:2406.18434. Bibcode:2024PhRvE.110e2101Z. doi:10.1103/PhysRevE.110.L052101. hdl:2434/1118568. PMID 39690679.

huffingtonpost.com (Global: 212^th place; English: 141^st place)

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iase.cc (Global: low place; English: low place)

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icarusinterstellar.org (Global: low place; English: low place)

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academia.edu (Global: 105th place; English: 99th place)

adsabs.harvard.edu (Global: 14th place; English: 9th place)

ui.adsabs.harvard.edu

aiaa.org (Global: 7,476th place; English: 4,758th place)

arc.aiaa.org

aps.org (Global: 1,264th place; English: 951st place)

journals.aps.org

archive.org (Global: 6th place; English: 6th place)

arxiv.org (Global: 49th place; English: 31st place)

bbc.com (Global: 26th place; English: 23rd place)

books.google.com (Global: 3rd place; English: 3rd place)

breakthroughinitiatives.org (Global: low place; English: low place)

caltech.edu (Global: 240th place; English: 473rd place)

kiss.caltech.edu

ugcs.caltech.edu

centauri-dreams.org (Global: low place; English: low place)

cern.ch (Global: 2,552nd place; English: 2,008th place)

home.web.cern.ch

doi.org (Global: 2nd place; English: 2nd place)

dtic.mil (Global: 934th place; English: 530th place)

apps.dtic.mil

eftaylor.com (Global: low place; English: low place)

exoplanet.eu (Global: 4,512th place; English: 9,978th place)

galegroup.com (Global: 2,044th place; English: 1,045th place)

go.galegroup.com

geocities.com (Global: 1,594th place; English: 1,249th place)

geoffreylandis.com (Global: low place; English: low place)

google.ru (Global: 3,180th place; English: low place)

gwern.net (Global: low place; English: low place)

hdl.handle.net (Global: 66th place; English: 34th place)

huffingtonpost.com (Global: 212th place; English: 141st place)

i4is.org (Global: low place; English: low place)

iase.cc (Global: low place; English: low place)

icarusinterstellar.org (Global: low place; English: low place)

innovationnewsnetwork.com (Global: low place; English: low place)

io9.com (Global: 4,391st place; English: 2,871st place)

irg.space (Global: low place; English: low place)

jbis.org.uk (Global: low place; English: low place)

lbl.gov (Global: 3,154th place; English: 3,216th place)

newscenter.lbl.gov

limitlessspace.org (Global: low place; English: low place)

llnl.gov (Global: 9,564th place; English: 6,988th place)

e-reports-ext.llnl.gov

lsu.edu (Global: 2,856th place; English: 1,830th place)

eds.a.ebscohost.com.libezp.lib.lsu.edu

app.knovel.com.libezp.lib.lsu.edu

lunarsail.com (Global: low place; English: low place)

narod.ru (Global: 284th place; English: 1,297th place)

daedalus-zvezdolet.narod.ru

nasa.gov (Global: 12th place; English: 73rd place)

nasa.gov

voyager.jpl.nasa.gov

ntrs.nasa.gov

nationalgeographic.com (Global: 489th place; English: 425th place)

nbcnews.com (Global: 156th place; English: 101st place)

news.yahoo.com (Global: 183rd place; English: 212th place)

ca.news.yahoo.com

newscientist.com (Global: 1,041st place; English: 901st place)

nih.gov (Global: 5th place; English: 5th place)

pubmed.ncbi.nlm.nih.gov

phys.org (Global: 1,595th place; English: 1,363rd place)

popularmechanics.com (Global: 2,521st place; English: 1,621st place)

researchgate.net (Global: 96th place; English: 89th place)

rexresearch.com (Global: low place; English: low place)

ronaldkoster.net (Global: low place; English: low place)

science.org (Global: 1,007th place; English: 665th place)

sciencealert.com (Global: 6,647th place; English: 5,633rd place)

sciencedirect.com (Global: 137th place; English: 146th place)

scientificamerican.com (Global: 1,110th place; English: 817th place)

semanticscholar.org (Global: 15th place; English: 8th place)

api.semanticscholar.org

space-nation.org (Global: low place; English: low place)

space.com (Global: 862nd place; English: 703rd place)

tauzero.aero (Global: low place; English: low place)

theatlantic.com (Global: 322nd place; English: 198th place)

umn.edu (Global: 1,293rd place; English: 776th place)

open.umn.edu

universetoday.com (Global: 3,994th place; English: 3,813th place)

usra.edu (Global: 1,836th place; English: 1,966th place)

academia.edu (Global: 105^th place; English: 99^th place)

adsabs.harvard.edu (Global: 14^th place; English: 9^th place)

aiaa.org (Global: 7,476^th place; English: 4,758^th place)

aps.org (Global: 1,264^th place; English: 951^st place)

archive.org (Global: 6^th place; English: 6^th place)

arxiv.org (Global: 49^th place; English: 31^st place)

bbc.com (Global: 26^th place; English: 23^rd place)

books.google.com (Global: 3^rd place; English: 3^rd place)

caltech.edu (Global: 240^th place; English: 473^rd place)

cern.ch (Global: 2,552^nd place; English: 2,008^th place)

doi.org (Global: 2^nd place; English: 2^nd place)

dtic.mil (Global: 934^th place; English: 530^th place)

exoplanet.eu (Global: 4,512^th place; English: 9,978^th place)

galegroup.com (Global: 2,044^th place; English: 1,045^th place)

geocities.com (Global: 1,594^th place; English: 1,249^th place)

google.ru (Global: 3,180^th place; English: low place)

hdl.handle.net (Global: 66^th place; English: 34^th place)

huffingtonpost.com (Global: 212^th place; English: 141^st place)

io9.com (Global: 4,391^st place; English: 2,871^st place)

lbl.gov (Global: 3,154^th place; English: 3,216^th place)

llnl.gov (Global: 9,564^th place; English: 6,988^th place)

lsu.edu (Global: 2,856^th place; English: 1,830^th place)

narod.ru (Global: 284^th place; English: 1,297^th place)

nasa.gov (Global: 12^th place; English: 73^rd place)

nationalgeographic.com (Global: 489^th place; English: 425^th place)

nbcnews.com (Global: 156^th place; English: 101^st place)

news.yahoo.com (Global: 183^rd place; English: 212^th place)

newscientist.com (Global: 1,041^st place; English: 901^st place)

nih.gov (Global: 5^th place; English: 5^th place)

phys.org (Global: 1,595^th place; English: 1,363^rd place)

popularmechanics.com (Global: 2,521^st place; English: 1,621^st place)

researchgate.net (Global: 96^th place; English: 89^th place)

science.org (Global: 1,007^th place; English: 665^th place)

sciencealert.com (Global: 6,647^th place; English: 5,633^rd place)

sciencedirect.com (Global: 137^th place; English: 146^th place)

scientificamerican.com (Global: 1,110^th place; English: 817^th place)

semanticscholar.org (Global: 15^th place; English: 8^th place)

space.com (Global: 862^nd place; English: 703^rd place)

theatlantic.com (Global: 322^nd place; English: 198^th place)

umn.edu (Global: 1,293^rd place; English: 776^th place)

universetoday.com (Global: 3,994^th place; English: 3,813^th place)

usra.edu (Global: 1,836^th place; English: 1,966^th place)

web.archive.org (Global: 1^st place; English: 1^st place)

worldcat.org (Global: 4^th place; English: 4^th place)

zenodo.org (Global: 737^th place; English: 426^th place)