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非火箭航天發射
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非火箭航天發射是一種部分或全部的採用火箭發動機外的其他推進方式的航天發射方式。如在火箭橇發射或空中發射中,在通過其他手段獲得初始速度或高度後,火箭才被應用。
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(a) References in this column apply to entire row unless specifically replaced
(b) All monetary values in un-inflated dollars based on reference publication date except as noted
(c) CY2008 estimate from description in 1993 reference system
(d) Requires first stage to ~5 km/s
(e) Subject to very rapid increase via bootstrapping
(f) Requires Boeing proposed DF-9 vehicle first stage to ~4 km/s
(g) Based on Gen-1 reference design, 2010 version
(h) Jules Verne's novel, From the Earth to the Moon. Newton's cannonball in the 1728 book A Treatise of the System of the World was considered a thought experiment.[13]
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參考文獻
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