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Day 82 — Space and Astronomy
space (space)
Astronomy (astronomy)
universe (universe)
star (star)
planet (planet)
moon (moon)
Sun (sun)
galaxy (galaxy)
satellite (satellite)
astronaut (astronaut)
telescope (telescope)
constellation (constellation)
orbit (orbit)
meteor (meteor)
comet (comet)
asteroid (asteroid)
nebula (nebula)
Universe (cosmos)
gravity (gravity)
rocket (rocket)
spacecraft (spacecraft)
Observatory (observatory)
eclipse (eclipse)
light-year (light-year)
black hole (black hole)
Milky Way (milky way)
"solar system" (solar system)
Atmosphere (atmosphere)
extraterrestrial (alien)
Big Bang (big bang)
space station (space station)
lift-off (launch)
vacuum (vacuum)
Radiation (radiation)
astronaut (cosmonaut)
probe (probe)
lander (lander)
rover (rover)
supernova (supernova)
dwarf planet (dwarf planet)
exoplanet (exoplanet)
quasi-stellar radio source (quasar)
red giant (red giant)
white dwarf (white dwarf)
pulsar (pulsar)
singularity (singularity)
solar flare (solar flare)
aurora (aurora)
space suit (space suit)