Ключевые слова: asteroid, astronomy, astrophysics, black hole, comet, cosmos, curvature, dwarf planet, earth, einstein, energy, event horizon, galaxy, gravity, jupiter, light, mars, mass, meteor, moon, neptune, observatory, physics, planet, pluto, quantum mechanics, relativity, satellite, saturn, singularity, space, spacecraft, speed, star, sun, telescope, time travel, universe, uranus, wormhole,