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Q&A Was the total amount of water on earth ever significantly different?

It seems that what is now the earth started as an aggregation of rocky material. Large amounts of water were then added by bombardment of comet-like bodies. These contain a lot of ice.

posted 3y ago by Olin Lathrop‭

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#1: Initial revision by user avatar Olin Lathrop‭ · 2021-09-22T13:08:55Z (about 3 years ago) 
It seems that what is now the earth started as an aggregation of rocky material.  Large amounts of water were then added by bombardment of comet-like bodies.  These contain a lot of ice.