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The Glass Universe: How the Ladies of the Harvard Observatory Took the Measure of the Stars, by Dava Sobel
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Accelerate progress in our three core enterprises — Explore Worlds, Find Life, and Defend Earth. You can support the entire fund, or designate a core enterprise of your choice.
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The Planetary Society
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Know the cosmos and our place within it.
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Empowering the world's citizens to advance space science and exploration.