Our Data Sources

Every number on Portal Astra comes from a real API. Here is exactly where.

NASA APOD (Astronomy Picture of the Day)

api.nasa.gov/planetary/apod

Updated daily at midnight UTC. The image and explanation on our Space tab come directly from this feed.

NASA DONKI (Space Weather)

kauai.ccmc.gsfc.nasa.gov/DONKI

Solar flare and geomagnetic storm data powering our Solar tab. Updated in near real time.

NASA EPIC (Earth Imagery)

api.nasa.gov/EPIC

Full disc Earth images taken by the DSCOVR spacecraft at the L1 Lagrange point, 1.5 million km away.

NASA NeoWs (Near Earth Objects)

api.nasa.gov/neo/rest/v1

Asteroid close approach data. Updated daily from JPL Horizons.

Portal Astra uses the NASA Open APIs under the Creative Commons licence. Data is provided as-is for educational and informational purposes.