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轉寄 列印
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What would we find if we made it all the way to another star''s solar system?So far, our travels into outer space have been limited to the planets and moons surrounding the sun in our own solar system. Today''s astronomers are planning a mission to explore further reaches of space than humans have ever reached. Readers (Grades 3-5) will discover how these bold scientists are working to build faster spaceships and overcome the obstacles that make it difficult for humans to survive in outer space.

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