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<blockquote data-quote="Umbran" data-source="post: 7908146" data-attributes="member: 177">That's not quite correct.&nbsp; On our world, sunlight and air heat water, and that heat is what causes the water to evaporate.&nbsp; Any heat will do - it doesn't have to be direct sunlight.&nbsp; Direct sunlight means th water is heated more than if there were, say, clouds, but doesn't stop the process outright.That being said, this setup is weird enough that appeals to our own planet's dynamics will fail - like how that disk is not gravitationally stable, and would normally collapse into a round world.&nbsp; The fact that tit doesn't means there's something else going on, which is perfectly acceptable for a fantasy world.&nbsp; It is just.. the wter cycle is probably the least of the world's problems in that regard.Or, you just have a solid domed sky - water evaporates, reaches the lid, and it rolls down the sky to the edge of the world - like on the inside of a pot lid - where it flows into the rivers coming from the mountains.&nbsp; Sometimes it'll just drip off the lid, too, and it'll rain.</blockquote>

[QUOTE="Umbran, post: 7908146, member: 177"] That's not quite correct. On our world, sunlight and air heat water, and that heat is what causes the water to evaporate. Any heat will do - it doesn't have to be direct sunlight. Direct sunlight means th water is heated more than if there were, say, clouds, but doesn't stop the process outright. That being said, this setup is weird enough that appeals to our own planet's dynamics will fail - like how that disk is not gravitationally stable, and would normally collapse into a round world. The fact that tit doesn't means there's something else going on, which is perfectly acceptable for a fantasy world. It is just.. the wter cycle is probably the least of the world's problems in that regard. Or, you just have a solid domed sky - water evaporates, reaches the lid, and it rolls down the sky to the edge of the world - like on the inside of a pot lid - where it flows into the rivers coming from the mountains. Sometimes it'll just drip off the lid, too, and it'll rain. [/QUOTE]

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