On this day in space! Aug. 7, 1980: NASA's Viking 1 Mars orbiter shuts down 4 years into a 90-day mission – Space

On this day in space! Aug. 7, 1980: NASA's Viking 1 Mars orbiter shuts down 4 years into a 90-day mission  Space On this day in space! Aug. 7, 1980: NASA's Viking 1 Mars orbiter shuts down 4 years into a 90-day mission  Space Read the full story on Google News Kenya via the link below.