Sixty years ago this week, America’s first satellite – Explorer 1 – rocketed into space – kicking off an age of space science that continues today. Get the details: https://explorer1.jpl.nasa.gov/ #ExploreAsOne | NASA - National Aeronautics and Space Administration

4.9K views · 73 reactions | On March 26, 1958, the United States launched its third satellite into space. Explorer 3 was almost identical to Explorer 1, which was the first satellite the U.S. ever launched. Its payload included a cosmic ray counter and a micrometeorite detector. Read about what discoveries this mission led to: https://buff.ly/2G8EqHx | Space.com | Facebook