Simplify the following text for a Grade 11 native English-speaking person.
Original: It was discovered by Seth Barnes Nicholson at Mount Wilson Observatory in 1951 and is named after the mythological Ananke , the personification of Necessity , and the mother of the Moirae by Zeus .
Simplified: It was found by Seth Barnes Nicholson at Mount Wilson Observatory in 1951 and is named after the mythological Ananke , the mother of Adrastea by Jupiter .