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· WASHINGTON (Reuters) - A Chinese submarine accidentally collided with an underwater sonar array being towed by a U.S. military ship, CNN reported on Friday…
· CAPE TOWN, South Africa (AP) — Authorities have shot dozens of exhausted whales that beached on a shore near South Africa's storm-lashed southern tip amid scenes of grief and despair from volunteers who had tried to save them.
· NASA was due to attempt a risky reboot of its Mars Odyssey orbiter on Tuesday. Odyssey is the main communications link between NASA's Mars rovers and Earth, and if it wakes up after the reboot its memory should be cleared of the build-up of errors that resulted from cosmic-ray bombardment. It may also restore back-up power circuits to health.
you said :
Is the sun causing the recent abnormal weather?
Originally posted by brokenheadphonez
RussianScientists: As usual a great contribution. I have to ponder your remarks before I comment more on them. Do you have a cure for hangovers, too?
The geospace is very sensitive to solar and geomagnetic activity, to changes in these activities and its manifestations in the near-Earth space environment and on the Earth. The Sun, as the origin of visible and invisible in°uence, poses a health and safety threat to humans and all kinds of human activities.
In next study we analysed the distributions of some physiological and biochemical parameters monitored in Air Force Military hospital Košice during season of low and high solar activity. Statistical tests shows significant differences of high density level cholesterol distribution, haemoglobin content distribution, erythrocytes distribution and erythrocytes sedimentation distribution in these two data samples. The results are discussed in comparison with similar empirical determined connectivity of other authors.
We investigate the GPS performance quality of X6.5 and X3.4 solar flares, which produced a solar radio burst with unprecedented radio flux density on 6 and 13 December 2006. We use GPS data from the global network of two-frequency receivers (more then 1500 sites) and from the Nationwide GPS array of Japan GEONET (13 December; 1200 sites). We have found significant experimental evidence that the high precision GPS positioning was partially paralyzed on all sunlit sides of the Earth for more than 10 min. We prove that the high level of phase slips and count omissions are caused by the wideband solar radio noise emission.
For a search of possible manifestations of the ‘space weather - wheat market’ connection in modern time, we analyze dynamics of wheat prices in the U.S.A. in the twentieth century.We show that the wheat prices revealed a maximum/minimum price asymmetry consistent with the phases of the sunspot cycle.We discuss possible explanations of this observed asymmetry, unexpected under conditions of globalization of the modern wheat market.
Active geomagnetic conditions on 12–13, 15– 16, and 22–23 September 1999 resulted in geomagnetically induced currents (GIC) measurable in power systems in Canada and the United States. Different solar origins for these three events gave rise to dissimilar interplanetary signatures. We used these events to present three case studies
Geomagnetic disturbances can disrupt the operation of conducting networks, such as power systems, pipelines and communication cables. In power systems, geomagnetically induced currents (GIC) flow to ground through power transformers, disrupting their operation and causing transformer heating, increased reactive power demand, and generating harmonics that can cause relay misoperation. In extreme cases these effects can lead to power blackouts such as occurred on the Hydro-Québec system during a geomagnetic storm in March 1989 leaving 6 million people without power for 9 hours. Geomagnetic disturbances are the result of eruptions on the Sun that send high energy particles streaming out into space. When these particles reach the Earth they interact with the magnetic field, generating currents that flow down into the ionosphere. The most intense currents are associated with the aurora and occur in an east-west band across Canada. It is the magnetic field produced by these ionospheric currents that is seen on the ground as a magnetic disturbance. Prevention of geomagnetic effects on power systems has focussed on blocking the flow of GIC in the system. However, such measures are expensive and many utilities rely on forecasts of geomagnetic activity to help them operate during disturbances. The Canadian Geomagnetic Forecast Service, operated by Natural Resources Canada, has been in operation since 1974 and now provides long term and short term forecasts for three latitude regions of Canada. Research is needed on all aspects of the problem; from new information about solar eruptions for improving forecasting services; to understanding system response to disturbances. Research on geomagnetic disturbances is conducted by the Canadian Geomagnetic Forecasting Centre and a number of active groups at Canadian universities; while research on geomagnetic effects is conducted by affected industries, often in collaboration with the forecasting centre.
06/21/2009 by Kevin VE3EN at 12:00 Comment on Message Board A small new sunspot may be trying to form in the southern hemisphere of the sun. Later today we will find out if it will develop into anything of interest. For now solar activity continues at very low levels.
Originally posted by RussianScientists I'm not a geologist currently, I'm an Earthquake and Weapons of Mass Destruction Consultant.
Explanation: From the ground, spectacular auroras seem to dance high above. But the International Space Station (ISS) orbits at nearly the same height as many auroras, sometimes passing over them, and sometimes right through them. Still, the auroral electron and proton streams pose no direct danger to the ISS. In 2003, ISS Science Officer Don Pettit captured the green aurora, pictured above in a digitally sharpened image. From orbit, Pettit reported that changing auroras appeared to crawl around like giant green amoebas. Over 300 kilometers below, the Manicouagan Impact Crater can be seen in northern Canada, planet Earth.