Synonyms and related words :
astrogeology, astrognosy, astrography, astrolithology, astronomy, astrophotography, astrophysics, celestial mechanics, chromatics, chromatography, chromatology, chromatoscopy, colorimetry, electron optics, gravitational astronomy, infrared spectroscopy, meteoritics, microscopics, microscopy, optical physics, optics, optometry, photography, radar astronomy, radio astronomy, solar physics, spectrography, spectrometry, spectrophotometry, spectrum analysis, stargazing, stellar photometry, stereoscopy, telescopy, uranography, uranology, uranometry