↩ 🔵 🔵 🔵 ❪֎❫ Astropy Lexicon ○ ❪֎₅ₓ❫ Python External Modules ○ Astropy ○˒ astropy.constants ⚬ astropy.coordinates ⚬ astropy.io ⚬ astropy.time ⚬ astropy.wcs ⚬