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===Related concepts=== |
===Related concepts=== |
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[[Kraft Ehricke]] had proposed the idea of a slide landing on the Moon, where a spacecraft's orbit is tangent to the lunar surface, and the spacecraft skids to a stop by sliding against the regolith. Related concepts involve the spacecraft in an orbit tangent to the surface of the body in question, and "docking" with a [[magnetic levitation|magnetically levitated]] (maglev) [[magnetic levitation train|train]], and the train then slowing.<ref>{{cite journal |url=http://adsabs.harvard.edu/full/1988LPICo.652...26B |title=Lunar Landing via a Linear Accelerator |author=Binder, A. B.|journal=Second Conference on Lunar Bases and Space Activities of the 21St Century |year=1988 |volume=652 |page=26 |bibcode=1988LPICo.652...26B }}</ref> This technique requires extremely precise guidance and control, in addition to a large infrastructure, and is thus not yet a viable option{{snd}}although it may be in the future.{{Citation needed|date=April 2023}} |
[[Kraft Ehricke]] had proposed the idea of a slide landing on the Moon, where a spacecraft's orbit is tangent to the lunar surface, and the spacecraft skids to a stop by sliding against the regolith.<ref>Beets, Megan (March 2017). "[https://archive.schillerinstitute.com/educ/sci_space/2017/0324-lifting_mankind/lmo.html Lifting the Human Species Out of Its Ordinary Existence]", ''Executive Intelligence Review''. Retrieved 2 June 2022.</ref> Related concepts involve the spacecraft in an orbit tangent to the surface of the body in question, and "docking" with a [[magnetic levitation|magnetically levitated]] (maglev) [[magnetic levitation train|train]], and the train then slowing.<ref>{{cite journal |url=http://adsabs.harvard.edu/full/1988LPICo.652...26B |title=Lunar Landing via a Linear Accelerator |author=Binder, A. B.|journal=Second Conference on Lunar Bases and Space Activities of the 21St Century |year=1988 |volume=652 |page=26 |bibcode=1988LPICo.652...26B }}</ref> This technique requires extremely precise guidance and control, in addition to a large infrastructure, and is thus not yet a viable option{{snd}}although it may be in the future.{{Citation needed|date=April 2023}} |
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==See also== |
==See also== |
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Greek: Ά ά Έ έ Ή ή Ί ί Ό ό Ύ ύ Ώ ώ Α α Β β Γ γ Δ δ Ε ε Ζ ζ Η η Θ θ Ι ι Κ κ Λ λ Μ μ Ν ν Ξ ξ Ο ο Π π Ρ ρ Σ σ ς Τ τ Υ υ Φ φ Χ χ Ψ ψ Ω ω {{Polytonic|}}
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