(Untitled)

Mar 09, 2007 09:28

The earth orbiting the sun at the distance necessary to warm it enough, added to the orbit of the moon controlling our tides, added to the clarity of the sky giving us atmospheric conditions conducive to life coupled with the fact that we can not only see our stars and moon but also view phenomenon such as eclipses and flares makes the over all ( Read more... )

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battleroyalegrl March 10 2007, 08:06:05 UTC
mmmm crack

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taluce March 12 2007, 16:20:03 UTC
well maybe not OUR galaxy... but there are an infinite number of galaxies in an infinite universe.

and DEFINATELY not like earth because obviously... planets are like snowflakes... or... people... you can't REALLY have the same thing twice...

but mars used to have water... and tides... and many of the same geomorphic features that we have (yeah that class was good for something)

plus, earth's distance from the sun is CONSTANTLY changing so you must be refering to something else... sometimes the eliptical orbit is enlongated and sometimes it is more squished... the earth also wobbles like a top while it rotates on its axis... and the tilt of the axis varies from 22.1 - 24.5 degrees over just a few thousand years, sorry... i took my final exam today so this info is imprinted!

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hewhosaysiam March 12 2007, 16:42:35 UTC
The universe is not infinite, we know how far across it is.
The fact that the earth changes positions to the extent it dose and maintains a stable orbit and livable environment just adds to my statement.
Mars probably did not have water but instead frozen CO2. Lack of oxygen and the fact that the majority of CO2 was and still is frozen at the poles.
Europa has liquid water, thats more probable than Mars.

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taluce March 12 2007, 19:54:49 UTC
first of all, NO we do not know how far across it is, and the universe is PROBABLY infinite but that also means it is possibly finite. If you know how many miles across it is, please tell me so I can tell NASA, they might make me an astronaut
AND when the earth changes positions, it does NOT maintain a livable environment because the result is an ice age, where it is either too cold or too hot to support life as it is now
The landscape on Mars suggests that there was water FLOW, CO2, to the best of my knowledge, doesn't flow or shape landscapes or build cyclic-stream terraces which are visible on Mars, the CO2 on Mars is still present today of course because it comprises most of the atmosphere, AND there is still water present on Mars in its atmosphere

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hewhosaysiam March 13 2007, 05:03:48 UTC
We can calculate the universes mass, and the speed at which we are traveling, so yes as a matte of fact we do know how large it is.
Explain to me how an ice age isn't a livable environment.
The erosion on Mars dose suggest that something was flowing true, but that could still have been CO2. Anything can be gas, liquid, or solid given proper temperature or pressure.

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taluce March 14 2007, 05:01:21 UTC
First of all, we might be able to calculate the speed at which it is traveling, but we have no idea WHEN it BEGAN so no, we do not know how far across it is, we canestimate from a certain known point in our time, but we really have no idea. Again, if you have a number for me, tell me so i can spread it to the world
An Ice Age leaves large portions of the earth uninhabitable. Sure, some are livable, but most areas where humans reside today: such as China and the Unitved States, would not be livable if they mimic the climates they had in past ice ages i.e. China would be an uninhabitable desest much like the sahara, and the united states would be mostly covered by glaciers in the northern half, and in florida/louisiana area also savannah/desert climate
And yes, maybe CO2 can flow, but tell me when it makes cyclic stream terraces? It might be able to become a liquid under extreme comditions, but it will never create land features like water

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ex_daroga March 14 2007, 23:36:58 UTC
Haha! DJ found the edge of the universe! Geek!

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