Terrestrial planet Terrestrial planet A terrestrial planet, telluric planet, or rocky planet is a planet that is composed primarily of silicate rocks or metals. Within the Solar System, the terrestrial planets are the inner planets closest to the Sun, i.e. Mercury, Venus, Earth, and Mars. The terms "terrestrial planet" and "telluric planet" are derived from Latin words for Earth ("Terra" and "Tellus"), as these planets are, in terms of structure, "Earth-like". Terrestrial planets have a solid planetary surface, making them substantially different from the larger giant planets, which are composed mostly of some combination of hydrogen, helium, and water existing in various
The Puzzle Planet you just make it clear that nothing essential to the solution of the crime is wrapped up in super-science, or intricate phenomenon and extrapolation that only a scientific wizard could be expected to unravel. The motives, methods, and clues must all lie within the range of what is clearly presented to the reader. I hope Puzzle Planet will convince you that the murder mystery does have a place in science fiction. The book was reviewed by Notes Sources The Puzzle Planet The Puzzle Planet is a science-fiction novel by Robert A. W. Lowndes. It was published in 1961 by Ace