🐍 Python for Astronomy Essential libraries & tools Astropy Core astronomy library for Python Python SunPy Solar physics data analysis Solar Lightkurve Kepler/TESS data analysis Exoplanets Astroquery Query astronomical databases API
📊 Data & APIs Access astronomical data SIMBAD Stellar database & bibliography Database VizieR Astronomical catalog service Catalog NASA Exoplanet Archive Exoplanet data & tools Exoplanets NASA APIs APOD, Mars Rover, etc. API
🎨 Visualization Tools to visualize space data Stellarium Realistic sky in 3D Desktop/Web WorldWide Telescope Virtual observatory WebGL Aladin Sky Atlas Interactive sky atlas Java Celestia Real-time 3D space simulation 3D
🔭 Observing Tools Plan your observations In-The-Sky.org Observation planner & guides Planning Clear Dark Sky Astronomy weather forecasts Weather Light Pollution Map Find dark sky locations Dark Sky Meteoblue Astronomy Detailed astronomy forecast Weather
📚 Learning Resources Learn astronomy & astrophysics Coursera Astronomy University courses online Courses OpenStax Astronomy Free textbooks Textbooks Astrobites Research summaries by grad students Research Zooniverse Citizen science projects Citizen Science
👨💻 Community & Code Open source & collaboration Astropy GitHub Core packages & tutorials GitHub GitHub Astronomy Trending astronomy projects Open Source Stack Overflow Astronomy coding Q&A Q&A r/Astronomy Community discussions Community