"Nope. Vegeta was one of two sent, after Raditz--that's Goku's brother--and they were on their way to destroy Earth anyways. It was overdue." Kami, Trunks could just PICTURE his father's expression if he'd heard Rose say that. And the following reaction it'd provoke; he wasn't sure whether to laugh or not.

"So, back to Namek and when it was destroyed. There was a state of power that was legendary, known as Super-Saiyan. Their power increases by 50 times, and it was always thought to be a myth. Until Goku achieved it, fighting Frieza on Namek."