Vito Technology announced that Planet Nine has been added to Star Walk 2, the company's best-selling stargazing guide for iOS and Android devices. The recently discovered ninth planet of the solar system is for the first time featured in an interactive space atlas. Among other new features of this update are 3D Touch, allowing users to access Sky Live, Search, or Star Spotter directly from home screen, and calendar of astronomy events for 2016. Star Walk 2 is $2.99 and can be downloaded from iTunes.
Planet Nine Added to Star Walk 2 Astronomy Guide