Exomoon Kepler-1625b-i

Exomoon Kepler-1625b-i
Exomoon Kepler-1625b-i This artist's impression shows exomoon candidate Kepler-1625b-i, its planet, Kepler-1625b as well as its star, Kepler-1625. NASA, ESA, and L. Hustak (STScI)