Illustrates this Pioneer search for Planet X and a ‘Dead Star’. In a section on space probes, the encyclopedia shows the paths of the two Pioneer probes were to ‘triangulate’ on the gravitational affects. It shows the Earth, the Sun, a dead star (at 50 billion miles or 538 AU) and a tenth planet (at 4.7 billion miles or 50 AU). The Hill star map (19 September 1961) and a later alien encounter (6 October 1974) clearly show the presence of an unseen solar companion. Unfortunately, the dead star turned out to be in the direction of Pioneer 11.
How It Works
The New Illustrated Science and Invention Encyclopedia
Volume 18: Sheet Metal/ Space Vehicle
Published by H.S. Stuttman Inc.
Westport, Connecticut 06889
Marshall Cavendish Limited 1987, 1989