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6A Message to the Stars
A Message to the Stars
For more than 50 years, we’ve been unsuccessfully searching for any evidence of intelligent extraterrestrial life. But, the discovery of thousands of exoplanets has meant the hope of ...
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7.2Life in Outer Space
Life in Outer Space
Scientists explore whether planets, moons and exoplanets -- planets outside the solar system -- have the necessary qualities to support life.