Simplify the following text for a Grade 5 native English-speaking person.
Original: Elara is a non-spherical moon of Jupiter . It was found by Charles Dillon Perrine at Lick Observatory in 1905 and is named after the mother by Zeus of the giant Tityus .
Simplified: It is the eighth largest moon of Jupiter and is named after the mother by Zeus of the giant Tityus .