非火箭航天发射

非火箭航天发射是一种部分或全部的采用火箭发动机外的其他推进方式的航天发射方式。如在火箭橇发射或空中发射中，在通过其他手段获得初始速度或高度后，火箭才被应用。

比较

(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.

参考文献 

 
太空访问
宇宙飞行技术
新兴技术
假想技術