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Daily Archives: July 10, 2008
Why do we care about aerosols?
Aerosols tend to cause cooling of the Earth’s surface immediately below them. Because most aerosols reflect sunlight back into space, they have a “direct” cooling effect by reducing the amount of solar radiation that reaches the surface. The magnitude of … Continue reading
Posted in climate change, Environment
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Phoenix Mars Lander Digging in “Snow White” trench
This image was acquired by NASA’s Phoenix Mars Lander’s Surface Stereo Imager on the 44th Martian day of the mission, or Sol 43 (July 7, 2008), after the May 25, 2008, landing, showing the current sample scraping area in the … Continue reading
Posted in News, Solar System
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Volcanoes and Global Cooling
Volcanic eruptions are thought to be responsible for the global cooling that has been observed for a few years after a major eruption. The amount and global extent of the cooling depend on the force of the eruption and, possibly, … Continue reading
Posted in climate change, Environment, Volcanoes
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Rashid's Blog: An Educational Portal 