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Astronomers have discovered a new type of star system that defies everything we know about the formation of the Solar System. Known as a 'binary-binary', the system has two stars orbiting each other incredibly closely (like a traditional binary system), but the primary star also has two massive structures of its own in orbit. This is the first binary-binary system ever discovered - and its existence suggests that we might be very wrong about how solar systems are born. Science Alert Read more here: http://www.sciencealert.com/everything-we-think-about-the-formation-of-the-solar-system-might-be-wrong The research has been published in the Astronomical Journal, and you can read it in full here: https://arxiv.org/abs/1608.03597 Clips, images credit: ESO, ESA/HUBBLE & NASA Music credit: YouTube Audio Library Intro: TV Drama Version 1 by Audionautix is licensed under a Creative Commons Attribution licence (https://creativecommons.org/licenses/by/4.0/) Artist: http://audionautix.com/ 2) Cry - Vibe Tracks