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Stories, updates, insights, and original analysis from The Planetary Society.

The Gift of Apollo

Carl Sagan writes that once upon a time, we soared into the solar system. For a few years. Then we hurried back. Why? What happened? What was Apollo really about?

The Adventure of the Planets

Carl Sagan's argument for planetary exploration. Published in the first issue of The Planetary Report magazine.

Space is vast. There's a lot of exploring to do.

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