Quote by: Neil deGrasse Tyson

I want to know what dark matter and dark energy are comprised of. They remain a mystery, a complete mystery. No one is any closer to solving the problem than when these two things were discovered.


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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