Astrophysicist Neil deGrasse Tyson has captured millions of minds over his career spanning decades.
He’s written books and presented TV shows, and has fast become a household name.
Now he's back with a new book Letters from an Astrophysicist. Tyson joined Mike Hosking to discuss what the future brings for space travel, the US Government's planned Space Force, and technology and the growth of science scepticism.
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