Tuesday, May 30, 2006
Scientists are finalizing plans for a telescope that would sit on the marine in the sincere part of the Mediterranean - and point downwards.
The aim is to study the universe's the majority elusive particle, the neutrino, and through that to appreciate more about the complexity of space and how it develops. Billions of these ethereal entities zip through our planet every next on their journeys across space from distant black holes, galaxies and also exploding stars. The seabed telescope would track them as they pass through the Earth.
"Neutrinos are the closest thing to nothing you can study" said one of the project's leaders, Dr Lee Thompson, of Sheffield University. "Unlike light - which is often blocked or hidden as it travels through space - neutrinos pass through everything. That makes them an amazingly rich source of information about the distant universe. The only problem is that they tend to pass through telescopes and detectors as well."
However, scientists have found that neutrinos infrequently strike atoms in such a way that they emit brief, faint pulses of light. The seabed telescope, which is being intended by a consortium of European scientists, including groups at Aberdeen, Liverpool and Sheffield universities, would exploit this effect.
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Monday, May 29, 2006
India can make use of its original space technology in its bi-polar research quest to unfold the mysteries of the two icy continents, Antarctica and Arctic, believes top space scientist Dr U R Rao.
"The atmospheric interaction in Antarctica and Arctic regions and its global impact on the environment, besides the study of eye-catching cosmic rays and auroras in the icy continents could well be studied using space technology, which we have pioneered over the years," he opines.
Talking to UNI on the sidelines of the now accomplished silver jubilee celebrations of India's journey to Antarctica under the aegis of the premier National Centre for Antarctic and Ocean Research (NCAOR) here, Dr Rao studies, as to whether the configuration of the ozone hole was due to rise in green house gases or even some other cause could be undertaken through multi-disciplinary research.
As chairman of the India's Committee for Space Research, Dr Rao, who leapfrogged the country into space through a variety of developmental programmers over the years, wondered why an argument over the ozone depletion was still being raised, when manufacture of green house gases world over has declined with more awareness campaigns.
The scientists had to find out, if any other factor was responsible for the global warming and this could be done at the two poles, which are immediately impacted by the warming phenomenon, he said.
Various factors such as ocean surface temperatures, atmospheric moisture content, and absorption of carbon dioxide by oceans, aerosol, and water and temperature distribution could lead to predict models that could help predict future climatic changes over the earth, Dr Rao said.
It may be recalled that India intended to set its foot on the Arctic in the North Pole, besides undertaking an in-depth investigate of the Southern Ocean that spans Antarctic's, where the scientists have now planned to set up a third base research station in the 11th plan period start of next year.
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