Quote by: Neil deGrasse Tyson

Mars once was wet and fertile. It's now bone dry. Something bad happened on Mars. I want to know what happened on Mars so that we may prevent it from happening here on Earth.

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Author Bio

  • NameNeil deGrasse Tyson
  • DescriptionAmerican astrophysicist and science communicator
  • BornOctober 5, 1958
  • CountryUnited States Of America
  • ProfessionAstrophysicist; Science Writer; Teacher; Popularizer Of Science; Cosmologist