space, astronomy and space

accumulation activity and apocalypse asteroids astronomy background blue century clouds comet comets constellation continents cosmic doomsday dustborne earth earthly europe explosion flashes floodlight galaxy gas gravity great greatness history hole hurricanes illustration image interstellar light massive meteors minimum neutron observing opening physics planet planetarium planets power protuberances red schedule scientists sea space spacecraft sphere star stars steam storm study sunny supernew supervision system telescope time type uninhabited universe unknown unruly velocity watch water weightlessness white world worm yellow