UPI Almanac for Tuesday, July 4, 2016
Tuesday, July 4, 2017 - 02:02
in Astronomy & Space
In 1997, NASA's Pathfinder reached Mars to become the first U.S. spacecraft to land on the planet in more than two decades.
In 1997, NASA's Pathfinder reached Mars to become the first U.S. spacecraft to land on the planet in more than two decades.