30 pages matching primitive earth in this book
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Origin And Nature Of Earth Life, An Update…Liberate your mind from concepts dictated by religious trade-union AAAS.
Review: Life Itself (Touchstone Books (عالم المعرفة #125)User Review - Thumper - Goodreads
I love this book!!! Francis Crick (co-founder of DNA and Nobel prize winner 1962) presents his theory concerning the beginning of life and viruses. Carl Sagan wrote "A delight...stimulating and ... Read full review
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amino acids argument asteroid atmosphere atoms backbone bacteria Big Bang billion years ago carbon cell chance chemical reactions common compounds copied creatures detail difficult Directed Panspermia distance DNA replication double helix earlier easy energy environment enzymes especially eukaryotes evolution evolved exactly fairly favorable fossil galaxy gene genetic code happened hydrogen idea journey large numbers least Leslie Orgel light light-years living system living things matter mechanism messenger RNA microorganisms mitochondria molecular natural selection nitrogen nuclear nucleic acid oceans orbit organic molecules Orgel origin oxygen particular Perhaps planetary systems polypeptide chain possible prebiotic present primitive earth probably problem produced prokaryotes radiation rare event reason replication RNA molecules rocket scale seems simple small molecules solar system soup space spaceship speed stars started structure suitable planet surface temperature theory thousand tion tRNA universe unlikely