Potential Ninth Planet - ABC News 24 TV (2016/01/21)
Alan Duffy
Caltech researchers led by Prof Mike Brown who formerly demoted Pluto have published tentative results of a ninth planet in our Solar System, and at ten times the mass of Earth it’s in no danger of not qualifying for planet status if real. Fainter than a lightbulb on the Moon and moving each second on the sky about a human hair’s width held at 100km it will be challenging to find against the 100 million stars of the Milk Way behind it’s approximate area.