Journal of the British Interplanetary Society, Volume 45

achieved activities allow analysis appear approach atmosphere atomic Black British carried chemical communication complete cost detailed determination early Earth effect electron energy engine environment error evolution example exist experience field flight function given ground heat human important increase initial International involved Italy launch Mars Martian mass material means measurements methods mission molecular motor nature observation occur operations orbit organic origin payload performance phase physical planet planned possible present pressure problem programme propellant range reduced Report rocket satellite scientific separation shows solar space spacecraft specific stage standards stars station structure surface Table temperature tion units University vehicle