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Searching for Planet 9At the edge of the solar system, a mysterious giant planet is said to be hidden, with a mass equivalent to five times the Earth. Several teams of astronomers relentlessly try to track this hypothetical exile.

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Searching for Planet 9At the edge of the solar system, a mysterious giant planet is said to be hidden, with a mass equivalent to five times the Earth. Several teams of astronomers relentlessly try to track this hypothetical exile.0Mars Calling: Manifest Destiny or Grand IllusionSome believe Mars is the next home for humanity, but the real red planet is a trickster.

Cosmic Journeys Series

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Cosmic Vistas Series

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Disasters in Space

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Space: The New Frontier Series

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