'The Martian' author Andy Weir answers your questions about Mars

andy weir answers tweets for popular science

His favorite astronaut, his most beloved fictional space explorer, and the discoveries that would have changed the plot of ‘The Martian.’

Andy Weir’s favorite real astronaut, his most beloved fictional space explorer, and the scientific discoveries that would have changed the plot of ‘The Martian.’…

Source: popsci
'The Martian' author Andy Weir answers your questions about Mars