74 books
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7 voters
Astrophysics
“
Physical life is not fluid. It will not and cannot adjust to any old universe. The fine-tuning that astronomers observe indicates that even very slight alterations to the universe's characteristics would rule out the possible existence of physical life.
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― Designed to the Core
― Designed to the Core
“
Like the Great Oxidation Event, the Great Unconformity injected an enormous quantity of oxygen into the atmosphere through a massive and efficient subduction of organic carbon into Earth's mantle. When this event occurred, the oxygen quantity in Earth's atmosphere jumped from 1% or less up to 8%. Just before the time of the Cambrian explosion 543 million years ago, another major continental erosion event coupled with oceanic sediment subduction led to a jump in the atmosphere oxygen level from 8
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― Designed to the Core
― Designed to the Core
A Goodreads version of Cloudy Nights. Some book reviews and some astronomy and astrophotography.…more
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