Ключевые слова: astronaut, astronomy, atmosphere, aurora borealis, ball, celestial objects, christmas, christmasdecor, christmastree, comet, constellation, dark matter, december, decoration, deep space, earth, extraterrestrial life, galaxy, glass, gravity, happynewyear, holiday, mars, merrychristmas, meteor, meteorite, moon landing, nebula, new year, orbit, pine, planetary system, rocket, santa, satellite, solar system, space, space exploration, space station, space travel, spacecraft, spacewalk, star, supernova, toy, tree, universe, winter, wormhole, xmas,