85 books
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1 voter
Astrophysics
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[The features of Earth's mantle], among others, appear so intricate and specific that Earth may well be the only rocky planet on which plate tectonic activity, at a survivable level for life, has been operating for an extended period, much less approaching 4 billion years.
...more
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― Designed to the Core
― Designed to the Core
“
Education has the power to transform society — but such transformation demands an obsession for change.
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35 members,
last active 12 years ago
24,379 members,
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A Goodreads version of Cloudy Nights. Some book reviews and some astronomy and astrophotography.…more
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last active 3 years ago
288 members,
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