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The size of our world
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The most important consequence of the size of our world is the gravitation force that it imposes. If the world is too small, it cannot hold the atmosphere necessary to sustain surface life. If it is too big, it imposes a crushing gravitational force on all those on the world. We would have evolved very differently if our world were much smaller or larger than what it is. For example, in very large worlds with high gravity, we would be much smaller. If smaller worlds, we may also be much smaller due to the inability of low atmospheric pressure to maintain water and gases for respiration. For obvious reasons, our world is just the right size for us.
Wise.
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