あ行
launch
spacesuit
satellite
か行
modification
Martian
orbit
deorbit
depressurize
altitude
さ行
payload
reentry
complex
gravity
modification
sub-orbital
impact
asteroid
vacuum
vertical
habitable
extravehicular
unprecedented
た行
atmosphere
rover
splash down
ignision
docking
sub-orbital
な行
は行
payload
ま行
private
や行
ambition
ら行
lift off
わ行
interplanetary