sputnik (5)

• 

  Explorer 1 — the first U.S. satellite

  February 7, 2024

• 

  A Sputnik Moment

  January 29, 2023

• 

  Sputnik

  November 3, 2021

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  A beautiful new theory of everything

  October 18, 2008

• 

  Nellie McKay

  March 3, 2008