Callisto (moon of Jupiter)
Ganymede (moon of Jupiter)
Galilean moons (four largest moons of Jupiter); Galilean satellites
probe; inquiry; enquiry; investigation
unmanned probe (vessel, spacecraft, etc.)
National Aeronautics and Space Administration (USA); NASA
firing (esp. a rocket or missile); launching; shooting; ejaculation
to leave (in someone's keeping); to put (in someone's care); to put (someone) in charge of; to leave (a matter) in someone's hands; to lean on; to put one's weight on
to change (with the passage of time); to fade; to wane; to decline
journey; trip; travels; during the journey; on the way; while travelling
for a moment; for a minute; for a while; for some time; for the time being; for now
district; section; sector
lively; active; vigorous; animated; brisk
especially; above all; inter alia; among others
complete collection; large collection; complete works
possible; potential; practicable; feasible
attendance; presence; appearance
large country; major nation; great power; province of the highest rank (ritsuryo system)
to raise (to maturity); to bring up; to rear; to train; to educate
to plan; to attempt; to plot; to conspire; to aim for; to strive for
to scatter; to sprinkle; to distribute (handbills, etc.); to spread (rumours, etc.); to give the slip; to throw off
Windsor (Canada, UK); Winsor
castle (in place names); castle; fortress
domestic affairs; internal administration
common people; ordinary people; masses
House of Peers (Japan, Meiji constitution); House of Lords (UK)