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Time for humans to start thinking about moving says Hawking

For many years humans have dreamed of one day colonizing other planets and moons.  Although research would be an important reason for the foreign bases, could the survival of the human race depend on whether or not we can colonize other planets?  World-renowned astrophysicist Stephen Hawking recently said that humans need to colonize a planet or moon because the Earth might face destruction -- A man made disaster -- global warming being a good example -- or natural disaster could potentially destroy the planet. 

Although he believes humans can colonize the moon within 20 years, and establish a sufficient base on Mars within 40 years, humans "won't find anywhere as nice as Earth," unless we visit another solar system.  The moon looks to be like an ideal place for a potential new colony.  Not only does it appear to have everything needed to sustain humans, ice has also been found at its poles.

Nations have been thinking about colonizing other planets for years.  DailyTech earlier reported that NASA is working towards a permanent moon base that would be a stepping stone to allow astronauts to explore Mars firsthand.  Swedish researchers are also studying different ways to have a self-sustaining colony on the moon.


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By masher2 (blog) on 6/16/2006 9:01:04 AM , Rating: 2
quote:
> "I was under the impression that extreme weather phenomena increase in quantity and magnitude as the overall heat energy in the atmosphere and oceans (which roughly translates into average global temperature) increases "


No, not quite. If the Earth was one uniform temperature from pole to pole, there'd be no storm activity whatsoever...regardless whether that temperature was 5 degrees or 500. Storms are driven by temperature differentials...the larger the differential, the more energy available to the storm.

Now, if you raise the average temperature but don't change the differential (e.g. tropics and temperate regions of earth both warm equally), storms get more severe. However, global warming isn't doing this. The tropics aren't warming, but everything else is. So in the latitude band where all hurricanes form, temperature differentials are decreasing.


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