Document · book · 1966
Shklovskii and Sagan, 'Intelligent Life in the Universe' (1966)
Includes Shklovskii's argument that Phobos's apparently decaying orbit meant it was hollow and so possibly artificial. Swann quotes it as if about the Moon.
Includes Shklovskii's argument that Phobos's apparently decaying orbit meant it was hollow and so possibly artificial. Swann quotes it as if about the Moon.