sâmbătă, 26 ianuarie 2013

The lowest temperature ever recorded


The lowest temperature ever registered



     The lowest temperature ever registered was confirmed in 1983 at Vostok Station in Antarctica: -89.2 degrees Celsius; moment in which I'll be instantly freezing. Wind speed at the South Pole doesn't facilitates at all the work of the researchers present on the Antarctic continent. Wind can reach speed over 90 meters / second.


     This lower temperature was favored also by the absence of clouds and layers of tiny particles of ice suspended in the air (a phenomena known as diamond dust). The researchers believe that the temperature could reach -96 degrees Celsius, if a cold front similar to that in 1983 would isolate the area this year.
 Unofficially, the world's lowest temperature -91 degrees Celsius, was reported by the research at the same station Vostok, but it's an unconfirmed information.



     These temperatures were recorded during the Antarctic winter in June and July, when the sun isn't on the sky. Even in the milder times of the year, the tempreture at Vostok doesn't reach higher average temperatures than -25 degrees Celsius.
In fact, the "highest" temperature ever registered at Vostock was -19 degrees Celsius. The  altitude of  the Antarctic Vostok is about 3500 meters above sea level and because of the low density of the oxygen  at the poles, the working conditions of the scientists are similar to normal altitudes above 5000 meters.



     Why anyone would dare to go so far in such unfavorable conditions? Vostok is located at 1300 km from South Pole but very close to the earth's magnetic pole. The scientists there are studying the actinometer (the  measuring of the radio-magnetically activity of the sunlight), the gravitational and magnetic forces that includes seismology, climatology and meteorological systems.


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