Tag: hansen
The 350 Climate Conference
by Jim on Apr.27, 2009, under Science Event, Science Life
Recent research by keynote speaker Dr. James Hansen, Director of NASA’s Goddard Institute for Space Studies, suggests the need to reduce atmospheric levels of CO2 concentrations from the current 385 parts per million (ppm) to 350 ppm or lower in order to avoid climate change. The question of “the safe upper limit” is perhaps the most important research question of the century.
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Nasa's Image of the Day
Large X-class Flare Erupts on the Sun
On Jan. 27, 2012, a large X-class flare erupted from an active region near the solar west limb. X-class flares are the most powerful of all solar events. Seen here is an image of the flare captured by the X-ray telescope on Hinode. This image shows an emission from plasma heated to greater than eight million degrees during the energy release process of the flare. Image Credit: JAXA/Hinode
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