The Secret of the Martian Moons that have kept Mars in sub-jugation. Phebos (sic) and Deimos are vanquished and all is well.” Notes Sources The book is listed at The Secret of the Martian Moons The Secret of the Martian Moons is a science-fiction novel by Donald A. Wollheim. It was first published in 1955 by the John C. Winston Company. Playing world-class hide-and-seek with the Martians, Nelson Parr believes that he has found them... until the real Martians show up. This is the second novel that Wollheim wrote for Winston, the other two being "The Secret of Saturn's Rings" (1954) and "The Secret of the
Moons of Neptune geometric albedo ranges from 7 to 10%. Their spectra indicate that they are made from water ice contaminated by some very dark material, probably complex organic compounds. In this respect, the inner Neptunian moons are similar to the inner Uranian moons. In order of their distance from the planet, the irregular moons are Triton, Nereid, Halimede, Sao, Laomedeia, Psamathe, and Neso, a group that includes both prograde and retrograde objects. The five outermost moons are similar to the irregular moons of other giant planets, and are thought to have been gravitationally captured by Neptune, unlike the regular satellites, which probably