Astrophysicist Neil deGrasse Tyson saw 'Interstellar' and then came by Business Insider to explain what the ending means – and if it's scientifically sound. -------------------------------------------------- Follow BI Video on Twitter: bit.ly/1oS68Zs Follow BI Video On Facebook: on.fb.me/1bkB8qg Read more: www.businessinsider.com/ -------------------------------------------------- Business Insider is the fastest growing business news site in the US. Our mission: to tell you all you need to know about the big world around you. The BI Video team focuses on technology, strategy and science with an emphasis on unique storytelling and data that appeals to the next generation of leaders – the digital generation.

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