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rogue planets
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The Cosmic Count: How Many Planets Are There in the Universe?
The revolution began in 1992, when Polish astronomer Aleksander Wolszczan detected the first confirmed exoplanets—two rocky bodies circling a pulsar 2,300...
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The revolution began in 1992, when Polish astronomer Aleksander Wolszczan detected the first confirmed exoplanets—two rocky bodies circling a pulsar 2,300...