Adolescence /ˌæd

the solar system noun [ S ]
the sun and the group of planets which move around it
space /speɪs/ noun BEYOND EARTH
6. [ U ] the empty area outside the Earth's atmosphere , where the planets and the stars are
space exploration/travel
a space rocket
Who was the first human being in space/the first to go into space?
spacecraft /ˈspeɪs.krɑːft/ /-kræft/ noun [ C ] plural spacecraft
a vehicle used for travel in space
a manned/unmanned spacecraft (= with/without people inside)
space shuttle noun [ C usually singular ]
a vehicle in which people travel into space and back again, sometimes carrying a satellite or other equipment into orbit (= a curved path through space)
space station noun [ C ]
a vehicle in which people can travel round the Earth, outside its atmosphere , doing scientific tests