astronomy Synonyms

stargazing space science astrophysics study of celestial bodies uranology study of the universe cosmology astrometry exploring outer space SETI star cluster fobos exact and natural sciences study of the stars and planets starwatching astro-exploration alien optical astronomy astrogeology astrography astrolithology astrology cosmogony selenology uranography astrobiology astrodynamics astronaut celestial mechanics radio astronomy environmental science astrochemistry