Planet Vegeta is the homeworld of the Saiyans, ruled by King Vegeta, father of Prince Vegeta, the planet has many powerful warriors.
Bardock came flying in and immediately started yelling "FRIEZA'S BETRAYED US! HE'S GOING TO KILL US ALL!" Of course, no one believed him because they thought he was simply over-reacting to final meeting his match. Bardock realized just how hopeless the situation was as he saw their response, Bardock decided that he was going to have to fight Frieza himself and charged at Frieza's Ship