NASA DONKI (Space Weather)
- Base: https://api.nasa.gov/DONKI/
- Requires NASA_API_KEY
NASA NeoWs (Asteroids)
- Base: https://api.nasa.gov/neo/rest/v1/
- Feed: /feed?start_date=YYYY-MM-DD&end_date=YYYY-MM-DD
NASA EPIC (Earth)
- Base: https://epic.gsfc.nasa.gov/api/
- Natural: /natural/date/YYYY-MM-DD
- Enhanced: /enhanced/date/YYYY-MM-DD
NASA POWER (Earth Climate)
- Base: https://power.larc.nasa.gov/api/
- Daily parameters for solar radiation, temperature, humidity, wind, precipitation
EONET (Events)
- Base: https://eonet.gsfc.nasa.gov/api/v3
- /events?status=open
NASA Exoplanet Archive (TAP)
- Sync TAP: https://exoplanetarchive.ipac.caltech.edu/TAP/sync
- Use TOP or safe ORDER BY; detect VOTable 400s and use fallbacks.