Stars

Search the SIMBAD catalog, preview a NASA SkyView DSS2 cutout, and discuss stars or constellations with the same thread model and karma as the rest of Comment Protocol.

Search stars (image-capable only)

Sponsored · Panorama display (catalog)

Allow Panorama viewability measurement (signed impressions to Panorama market-api only; no personal data in the payload).

LUMENAd

High-throughput RPC for builders

Get started

CIRCLEAd

Payments built for the internet

Build now

Search for a star or constellation above, then pick a result to load image + comment thread.