LYNETTE COOK / SCIENCE PHOTO LIBRARY LYNETTE COOK / SCIENCE PHOTO LIBRARY
Not for use in popular astronomy and related books for adults.
Alien communication. Artwork of a hypothetical alien communication device on an extrasolar planet. The communication device resembles radio receiving dishes on Earth. The intelligent life forms on this world search the galaxy for intelligent signs of life. In the sky can be seen two stars, the larger parent star is setting, the other is higher up. Orbiting the smaller star is a planet. This system is known as a binary star system.
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