Analysis of information sources in references of the Wikipedia article "Fictional planets of the Solar System" in English language version.
The "science" in science-fiction of the Gernsback period was not wholly borrowed from the outside world. Some concepts were created on a mythical level. [...] Particularly interesting is the establishment of "Bodia" (according to one cosmology of the day, a former fifth planet whose destruction formed the asteroids) as the ultimate origin of mankind and possessor of a supercivilization.
Bode's Fifth Planet, "Bodia." (A hypothetical planet between Mars and Jupiter that broke up to form the asteroid belt. It is usually fictionally considered as Earth-like, with a human population.)
In all of the stories mentioned above, explanations are provided for why the second moon has never been seen: it may be tiny, may not exist in our space time, may be newly brought into orbit, or may exist only for a few brief weeks or months before orbital decay.
In all of the stories mentioned above, explanations are provided for why the second moon has never been seen: it may be tiny, may not exist in our space time, may be newly brought into orbit, or may exist only for a few brief weeks or months before orbital decay.
