Astronomers in Japan have published their theory of an "Earth-like planet," dubbed Planet Nine, that's hiding in plain sight just a few billion miles behind Neptune.
Japan's astronomers hint at existence of earth-like Planet Nine thethaiger.com - get the latest breaking news, showbiz & celebrity photos, sport news & rumours, viral videos and top stories from thethaiger.com Daily Mail and Mail on Sunday newspapers.
Is an Earth-like planet hiding on the edge of the solar system? echo.net.au - get the latest breaking news, showbiz & celebrity photos, sport news & rumours, viral videos and top stories from echo.net.au Daily Mail and Mail on Sunday newspapers.