BIOL 111 Lecture Notes - Lecture 2: Water Cycle, Panspermia, Geosphere

• School: McGill University
• Department: Biology
• Course: BIOL 111
• Professor: Andrew Hendry

Document Summary

Science is the accumulation of the knowledge we have so far. There are unsolved problems, in progress, and the solved. Over time more and more has been figured out, there"s a lot to go. Oldest known mineral found in western australia dates to this period. Oldest known rock from this period, changed by heat and pressure, found in. Until mid 19th century, only divine creation was considered. Creationism -everything was made specifically by a divine creator (god) Idea that life came to earth from outside. Enclosed in a rock, came at high speed. Bacteria can remain viable for thousands of years thus why it worked. Earth"s gravitational field is not large enough. No evidence of intelligent life besides on earth, very few planets seeded. Short timeframe, whereas it"s taken 4 billion years for intelligent life to evolve on earth. Very hard to prove that it was all an accident. Idea died with louis pasteur who disproved it.