space; air; midair; (from) memory; (by) heart
space alien; alien; extraterrestrial being
to float in the air; to be unfinished; to be unsettled; to be undecided
outer space; void of space
somersault; looping-the-loop
space development; space exploration
whole universe; total universe; all of creation
dangling; hanging; suspended; pending; half done; in limbo
hanging in midair; suspended in midair; midair stunt; aerial stunt
macrocosmos; macrocosm; the universe; the cosmos
space flight; spaceflight
backflip; backward somersault
cosmo-chemistry; space science
escape velocity; orbital velocity; cosmic speed; space velocity
(since) the beginning of the universe; (since) the dawn of time
one's outlook on the universe
space dust; cosmic dust; interstellar dust
International Space Station
space debris; orbital debris
starship; interstellar spacecraft
ultimate fate of the universe; end of the universe
National Space Development Agency; NASDA
moonsault (type of somersault)
space development project (program, programme)
midair stunt; aerial stunts
particle horizon of the observable universe
National Aerospace Laboratory; NAL
generation ship (science fiction); interstellar ark
automated cargo spacecraft; unmanned resupply spacecraft
cosmic distance ladder; cosmological distance ladder
cosmic background radiation
Fermi Gamma-ray Space Telescope
cosmic microwave background radiation
cosmic-ray shower; cosmic ray air shower; air shower
National Aeronautics and Space Administration; NASA
James Webb Space Telescope
space environmental pollution
cosmic censorship hypothesis; cosmic censorship conjecture
big bang theory (cosmology)
cosmic censorship hypothesis; cosmic censorship conjecture