Are we alone in the Universe? No one knows. Every day astronomers and astrophysicists suggest a new hypothesis or a new way of reaching the galaxies far, far away. We still don’t know everything about our own galaxy – the Milky Way. We don’t even know everything we should about our Solar system. The scientists have recently discovered that there might be another planet orbiting the Sun – Planet 9. This infographic gathers all the “facts” you need to know about it.



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