Reply to thread

Message

<blockquote data-quote="lgburton" data-source="post: 2332519" data-attributes="member: 30653">with the following assumptions in mind:planet approximatly one astronomical unit from the sunplanet's surface covered by same ammount of water as the earth'sthe big question here is how are the landmasses of this world arranged? if the landmasses were more polar, or all in a single hemisphere, then the planet would be very temperate - warm and comfortable, though a fair ammount of hurricanes would spawn.if, however, more than 70% ish (forgive the lack of a presciese number here, it's been a long time since the geology class i learned about this stuff in) of the equator's area were covered in landmass, the land would reflect the light back into space, along with all of the heat that comes with it. the oceans would get colder (signifigantly - 10 degrees or more), and the whole thing would trigger a Day After Tomorow-like ice-age - except that the ice would cover even more of the planet's surface, reflecting even more sun back into space... etc etc.and yes, this did happen on earth, a few billion years ago. the only way the earth got out of it was the fact that the ice age killed off most of the alge in the water, and over a few million years, volcanism put out enough CO2 to start a good greenhouse effect going on.and that is a quick answer to that particular question! sorry bout the thread hijack.</blockquote>

[QUOTE="lgburton, post: 2332519, member: 30653"] with the following assumptions in mind: planet approximatly one astronomical unit from the sun planet's surface covered by same ammount of water as the earth's the big question here is how are the landmasses of this world arranged? if the landmasses were more polar, or all in a single hemisphere, then the planet would be very temperate - warm and comfortable, though a fair ammount of hurricanes would spawn. if, however, more than 70% ish (forgive the lack of a presciese number here, it's been a long time since the geology class i learned about this stuff in) of the equator's area were covered in landmass, the land would reflect the light back into space, along with all of the heat that comes with it. the oceans would get colder (signifigantly - 10 degrees or more), and the whole thing would trigger a [i]Day After Tomorow[/i]-like ice-age - except that the ice would cover even more of the planet's surface, reflecting even more sun back into space... etc etc. and yes, this did happen on earth, a few billion years ago. the only way the earth got out of it was the fact that the ice age killed off most of the alge in the water, and over a few million years, volcanism put out enough CO2 to start a good greenhouse effect going on. and that is a quick answer to that particular question! sorry bout the thread hijack. [/QUOTE]

Verification