liquid hydrogen and liquid oxygen and also process them into hydrogen peroxide, all of which could be used as rocket fuels." In June 2012, private Dutch
article) NASA Planetary Protection Website (页面存档备份,存于互联网档案馆) JPL Develops High-Speed Test to Improve Pathogen Decontamination (页面存档备份,存于互联网档案馆) at JPL. Geoethics