And also knowing the coming gaps in planetary exploration missions. After Cassini, we'll have Juno. But then, it'll be years before anotherhttps://twitter.com/B_resnick/status/908489660573392896 …
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it sounds dorky. But imagine knowing the only set of encyclopedias in existence were across an ocean. Wouldn't you want to build a boat?
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the encyclopedias are the planets, their moons, all the worlds in our solar system.
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