At the time of Kepler-10c's discovery, Spitzer was the only facility capable of detecting shallow transits in the Kepler data to an extent at which the data could be meaningfully analyzed.
Pada saat penemuan Kepler-10c, Spitzer adalah satu-satunya fasilitas yang mampu mendeteksi transit dangkal dalam data Kepler ke tingkat di mana data dapat dianalisis secara bermakna.