Is the solar system unique? Or are there other planets in orbit around other stars in the Milky Way and other galaxies? Many scientists believe that stars with planetary systems are more the rule than the exception in the universe, but they have yet to prove it. Inter stellar distances are so great that the most powerful telescopes on earth are hopelessly inadequate for sighting small, dark planets that might be in orbit around other stars.
Undaunted by so formidable an obstacle, Astronomer Peter van de Kamp, the director of the Sproul Observatory...
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