NASA launches the Nimbus 5 satellite, designed to observe weather patterns from orbit and test new weather and climate detection technologies. Launched into a polar orbit from Vandenberg Air Force Base in California, Nimbus 5 includes newly-developed experiments to examine Earth in the microwave and infrared portions of the spectrum.
theLogBook.com
https://www.theLogBook.com
Earl Green is the creator, curator, and head writer of theLogBook.com.
Also of interest...
Mariner 10 visits Venus
February 5, 1974
Relay 1
December 13, 1962
Voyager 2 and the eight pixels
August 1, 1988