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Hydrogen and oxygen are the most (~75%) and third most (~1%) abundanten elements in the universe and this has been known for quite some time, so it does not see
by danbruc 8y ago
Hydrogen and oxygen are the most (~75%) and third most (~1%) abundanten elements in the universe and this has been known for quite some time, so it does not seem that unexpected that water is not especially rare. But maybe the formation of water from gases requires conditions that are at least somewhat rare in the universe.
- pseudolus 8y agoTrue enough, but if you are old enough to remember the 1960's and early 1970's the belief, at that time, in the presence of water on other bodies in our solar system was never a given.