Sunday, 11 November 2012

Global Warming Cause Felt by Satellites and Space Junk



An artist's illustration of the Canadian Space Agency's SCISAT-1 satellite in orbit, which is carrying the Atmospheric Chemistry Experiment to track carbon dioxide levels in Earth's atmosphere.
CREDIT: Canadian Space Agency

Rising carbon dioxide levels at the edge of space are apparently reducing the pull that Earth's atmosphere has on satellites and space junk, researchers say.
The findings suggest that manmade increases in carbon dioxide might be having effects on the Earth that are larger than expected, scientists added.

In the layers of atmosphere closest to Earth, carbon dioxide is a greenhouse gas, trapping heat from the sun. Rising levels of carbon dioxide due to human activity are leading to global warming of Earth's surface.

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Source: www,space.com
      




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