whispering planet: Schwarzwald 1

Monday, December 6, 2010

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Schwarzwald 1

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http://abebedorespgondufo.blogs.sapo.pt/ said...: Very good.
Merry Christmas; December 11, 2010 at 3:27 PM
Anonymous said...: ΝΑΣΑ: ίσως μπήκαμε σε νέα παγετώδη...
According to scientists' models of Earth's orbit and orientation toward the Sun indicate that our world should be just beginning to enter a new period of cooling - perhaps the next ice age.
Other important forcings of Earth's climate system include such "variables" as clouds, airborne particulate matter, and surface brightness. Each of these varying features of Earth's environment can cause our world to cool. For example, increased cloudiness would give more shade to the surface while reflecting more sunlight back to space. Major volcanic eruptions (such as that of Mt. Pinatubo in 1992) can inject so much aerosol into the atmosphere that, as it spreads around the globe, it reduces sunlight and cause Earth to cool. Likewise, increasing the surface area of highly reflective surface types, such as ice sheets, reflects greater amounts of sunlight back to space and causes Earth to cool.
http://science.nasa.gov/earth-science/big-questions/what-are-the-primary-causes-of-the-earth-system-variability; December 16, 2010 at 6:28 AM

whispering planet