The Veil World was the planet of the Veil race.
When its star was extinguished, the planet froze and turned into a ball of ice. (WC: Alien File: Androvax, TV: The Vault of Secrets) The Veil were presumed extinct save one, Androvax, who went on a crusade of revenge destroying other planets before being arrested by the Judoon in 2009. (TV: Prisoner of the Judoon) However, unbeknownst to Androvax, a ship with 100 Veil managed to escape. They crashed on Earth in the 1970s where the crew was preserved in suspended animation. With the help of his former enemy, Sarah Jane Smith, Androvax was able to recover the ship and set off to find a new homeworld for the Veil. (TV: The Vault of Secrets)