Tag: methane
and now, the methane problem
by Greg on Aug.19, 2009, under Science Life Musing
If you are one of those individuals who have reservations about global warming, climate change and how rapidly it can occur, please read on. I don’t know if Science Life readers recall back in the winter, but I wrote about this science special on the Bermuda Triangle, and scientific explanations of the mysterious happenings that occur near it. One of the most compelling theories was that of large deposits of solid methane ice that is abundant in the area, was bubbling up to the surface in massive amounts and causing disturbances with ships and planes. There is definitely enough of it down there. Now, another area of our oceans could be experiencing a similar bubbling and it is also not good news: (continue reading…)
CleanTechnica: New Biogas Effort Launched in Manure Wars
by Greg on Mar.12, 2009, under Science Life
Comments Off :manure, methane more...-
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Nasa's Image of the Day
Little Galaxy With a Tail
This infrared portrait of the Small Magellanic Cloud, taken by NASA's Spitzer Space Telescope, reveals stars and dust in this galaxy as never seen before. T The image shows the main body of the Small Magellanic Cloud, which is comprised of the "bar" and "wing" on the left and the "tail" extending to the right. The bar contains both old stars (in blue) and young stars lighting up their natal dust (green/red). The wing mainly contains young stars. The tail contains only gas, dust and newly formed stars. Spitzer data has confirmed that the tail region was recently torn off the main body of the galaxy. Two of the tail clusters, which are still embedded in their birth clouds, can be seen as red dots. The data in this image are being used by astronomers to study the lifecycle of dust in the entire galaxy: from the formation in stellar atmospheres, to the reservoir containing the present day interstellar medium, and the dust consumed in forming new stars. The dust being formed in old, evolved stars (blue stars with a red tinge) is measured using mid-infrared wavelengths. The present day interstellar dust is weighed by measuring the intensity and color of emission at longer infrared wavelengths. The rate at which the raw material is being consumed is determined by studying ionized gas regions and the younger stars (yellow/red extended regions). The Small Magellanic Cloud, and its companion galaxy the Large Magellanic Cloud, are the two galaxies where this type of study is possible. Image Credit: NASA/JPL-Caltech/STScI
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