Related by context. Frequent words. (Click for all words.) 61 amateur astronomers 60 star gazers 60 stargazers 57 skywatchers 57 Stargazers 53 astronomy 52 stargazing 52 astronomers 50 telescopes 50 Perseid meteor shower 50 Telescopes 50 planetarium 49 observatories 48 Stargazing 48 Astronomy 48 celestial objects 47 celestial 47 observatory 47 gazers 46 meteor showers 45 astrophysicists 44 Hubble Telescope 44 planetariums 44 astronomical observations 44 birdwatchers 44 bird watchers 44 Astronomers 44 telescope 43 astronomical objects 43 Thrill seekers 43 Adler Planetarium 43 celestial bodies 43 Planetarium 42 Birders 42 Aurora Borealis 42 leaf peepers 42 Hubble Space Telescope 42 Chabot Space 42 Geminids 42 orbiting observatory 42 birders 42 meteor shower 42 Space Telescope 42 kite flyers 42 constellations 42 Cassini Huygens 42 outer planets 42 XMM Newton 41 flybys 41 NASA Kepler 41 aurora borealis 41 Exploratorium 41 optical telescopes 41 gazing 41 lunar eclipses 41 flyby 41 Observatories 41 auroras 41 Perseids 41 solar eclipses 40 astro 40 Saturn moons 40 Telescope 40 moonlight 40 Festivalgoers 40 Lowell Observatory 40 aurora 40 Hubble telescope 40 ghost hunters 40 NASA Cassini spacecraft 40 Astronomical Society 40 Astronauts aboard 40 astronomical observatory 40 spotting scopes 40 Orion Nebula 40 Cassini spacecraft 39 summer solstice 39 festivalgoers 39 fireflies 39 festival goers 39 enthusiasts 39 naturalists 39 musicians 39 sunrise 39 Summer Solstice 39 magicians 39 amateur astronomer 39 total solar eclipse 39 astronomer 39 ringed planet 39 partial lunar eclipse 39 scientists 39 solar eclipse 39 distant galaxies 39 lunar eclipse 39 thrill seekers 38 Jodrell Bank 38 Hinode 38 COROT 38 Griffith Observatory 38 moonrise