The Phobos Mystery. The Mystery Moon of Mars

In July 1988, the Russians launched two unmanned satellite probes - Phobos 1 and phobos 2 - in the direction of Mars, and with the primary intention of investigating the planet's mysterious moon, Phobos. Phobos 1 was unfortunately lost en route two months later, reportedly because of a radio command error. Phobos 2 was also ultimately lost in the most intriguing circumstances, but not before it had beamed back certain images and information from the planet Mars itself .... https://www.youtube.com