Although Jupiter would need to be about 75 times as massive to fuse hydrogen and become a star, the smallest red dwarf is only about 30 percent larger in radius than Jupiter.
Kuigi Jupiteri mass peaks olema 75 korda suurem, et algaks tuumasüntees ja Jupiterist saaks täht, on kõige väiksema punase kääbuse raadius Jupiteri raadiusest vaid 30 korda suurem.