Simplify the following text for a Grade 11 native English-speaking person.
Original: When first announced , 70 Virginis b was considered to be within its star 's habitable zone ( preferably in the `` Goldilocks zone '' ) , but it was later confirmed that the planet has an eccentric orbit , closer to its parent .
Simplified: When first announced , 70 Virginis b was thought to be inside its star 's habitable zone , but proof was later found that the planet has an eccentric orbit , closer to its parent .