Letters from an Astrophysicist'The most popular scientist in the world' (Sunday Times) bares his soul and answers the biggest questions in the galaxy INSTANT NEW YORK TIMES BESTSELLER! Join the galactic conversation on the biggest issues in the universe, from the 'most popular scientist in the world' 'Don't fear change. Don't fear failure. The only thing to fear is loss of ambition. But if you've got plenty of that, then you have nothing to fear at all' Neil deGrasse Tyson Neil
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