ocr: t or VIKING 1 AND2 LANDER EQUIPEMENT During the three-week Viking 2 mission, no seismological activity was detected. Overall, the Viking 1 and Viking 2 missions were a great success in the exploration of Mars. The ong-awaited experiments designed to search for life on the planet provided inconclusive findings: chemical reactions in the Martian soil were observed, but no trace of organic compounds was found. If there is life on Mars, it can only be. a very primitive form of life, perhaps one unknown on Earth. Recent study (1996) of Martian meteorites has, however, once again thrust this vital q ...
