Australian stargazers invited to join hunt for mysterious Planet 9

'It really is Where's Wally,' says Australian National University's Brad Tucker, but the twist is you get a say in the official name of anything you find

Everyday stargazers will have a shot at naming a new planet by joining Australian astronomers in the hunt for a mysterious large orb believed to be circling the fringe of the solar system.

Australian National University researchers have invited the public to join them in the hunt for so called "Planet 9" by combing through a massive array of new pictures mapping the southern sky.