VIDEO: Is there really the ninth planet?

Playback of media is not compatible with your device

Is there a ninth planet in our solar system?

January 21, 2016 Updated 15.29 clock GMT

Astronomers in the US They say they can discover a new planet in the solar system.

Nicknamed "Planet Nine" by researchers at the California Institute of Technology, no direct observations confirm their presence to one million miles beyond Neptune.

So why scientists think it is?

This entry passed through the Full-Text RSS service - if this is to read your content and on the website of another person, please read the FAQ on fivefilters.org/content-only/faq .php # publishers.