Origins: How did Earth get its water?
Unexplainable
00:00
The Goldilocks Zone
Jupiter and Saturn pulled the solar system in a very special way. Without Jupiter, Earth might not have had any water. And without Saturn, things could have been even worse. This whole thing almost reminds me of one of those Rube Goldberg type contraptions where you pull a string and launch a ball which lands perfectly in a cup or something. One tiny thing goes wrong and the whole thing falls apart.
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