mankind
humanity
to leap
to jump
USSR
union of soviet socialist republic
to embody
to represent
a trailblazer
a pioneer
a journey
long travel
an asteroid
a rock, or a very small planet
an explorer
un explorateur
a rover
un astromobile
a rocket
une fusée
a spaceship
a spacecraft
a space flight
un vol spatial
aerial view
view from above
remote
far, distant
to carry out a scientific experiment
mener une expérience scientifique
to launch
send into space
to take off
décoller
a successful blastoff
un décollage réussi
to land
atterrir
a spokesperson
a representative
scary
frightening
threatening
menacing
far-fetched
implausible
daring
bold, audacious
preposterous
absurd
self-confident
self-assured
a milestone
un événement majeur
an achievement
an accomplishment
groundbreaking
revolutionary
thriving
florissant, prospère
the human species
l'espèce humaine
to forecast to foresee
prévoir
momentous
very important
a crew
a team
space junk
trash found in space
outer space
area beyond Earth's
atmosphere
le cosmos
a probe
une sonde
a settlement
une colonie
to settle
s'installer
a spacesuit
une combinaison spatiale
weightlessness
l'apesanteur
to colonise
coloniser
to float
flotter
to pursue
to follow a dream
barren
empty
hazardous risky
dangerous
manned
inhabited
uninhabitable
inhabitable
strong-willed
determined
thrilling
exciting
tremendous
huge, terrific, great
fatal
mortel
to be worth
valoir la peine
to dare
oser
to fail
échouer
to spur
stimuler, inciter