Similar to 小惑星地球衝突最終警報システム

CFBDSIR 2149−0403

Cha 110913−773444

CHIPS (satellite)

CH star

CID-42

Clover (telescope)

CNEOS 2014-01-08

CNO cycle

Cosmic Background Explorer

9997 COBE

COCONUTS-2b

Cool Companions on Ultrawide Orbits

CoRoT-1

CoRoT-1b

CoRoT-2

CoRoT-2b

GOTO (telescope array)

Kilodegree Extremely Little Telescope

MASCARA

OCA–DLR Asteroid Survey

Palomar Planet-Crossing Asteroid Survey

Qatar Exoplanet Survey

SPECULOOS

TRAPPIST