NASA’s twin Viking 1 and 2 landers launched in August and September of 1975 and successfully landed on Mars in July and September of 1976. Their principal mission was to search for life, which they did by digging into the ruddy Martian soil looking for signs of respiration — a signal of biological activity. The results,…
Tag: Viking
Following a Moon Shadow
Can’t see the video below? Click here. Here’s an intriguing video assembled by Daniel Macháček, made from archived image data from NASA’s Viking 1 orbiter; on September 28, 1977, over a year after dropping a probe onto the Martian surface, the orbiter captured images of the shadow of Mars’ moon Phobos passing over the billowy top…