On todays date, 40 years ago (and a scant 7 years after we landed a man on the moon) the Viking 2 probe successfully landed on the surface of the planet Mars. It followed closely on the heels of the Viking 1 lander by some 45 days. Considering the math and physics required to even begin to comprehend the enormity of the undertaking , the fact of a double success in our first tries is astonishing. The idea that these images are from another world tends to send me into a profound state of awe. I would volunteer to go there in a heartbeat… All images found here.