Extraterrestrial Life —“Alternative Biochemistries”
In his famous lecture, “Life in the Universe,” Stephen Hawking observed that what we normally think of as ‘life’ is based on chains of carbon atoms, with a few other atoms, such as nitrogen or phosphorous. We can imagine  that one might have life with some other chemical basis, such as silicon, “but carbon seems the most favorable case, because it has the richest chemistry.”
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Extraterrestrial Life —“Alternative Biochemistries”

In his famous lecture, “Life in the Universe,” Stephen Hawking observed that what we normally think of as ‘life’ is based on chains of carbon atoms, with a few other atoms, such as nitrogen or phosphorous. We can imagineĀ  that one might have life with some other chemical basis, such as silicon, “but carbon seems the most favorable case, because it has the richest chemistry.”

Continue reading “Extraterrestrial Life —“Alternative Biochemistries” ” Ā»