Chemistry, superheroes, and life on Mars. What else could we ask from our favorite astrophysicist.
If Thor's hammer is made of neutron-star matter, implied by legend, then it weighs as much as a herd of 300-billion elephants— Neil deGrasse Tyson (@neiltyson) February 5, 2013
If Thor's hammer is made of neutron-star matter, implied by legend, then it weighs as much as a herd of 300-billion elephants
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