Video: Massive Solar Explosion: communications could be disrupted on Wednesday

A spectacular solar flare might perturb on Wednesday and Thursday (June 8-9, 2011) the operation of the satellites, communications networks and power lines. The eruption was spotted by NASA on Tuesday at 1:41 a.m ET and, according to U.S. weather service, is the most powerful in the past five years.

Even NASA scientists were enthusiastic about the spectacular solar blast. A giant magnetic plasma cloud was released by Sun and propagates through space at speeds of 1400 km/s. Part of the cloud has already covered almost half of the Earth.

NASA’s space observatory have recorded the blast at different wavelengths. These wavelengths are correlated to the temperatures of different layers of the solar corona, from a few hundred thousands to millions degrees Celsius. However it may be regarded, the phenomenon remains quite fascinating.

According to experts, the solar outburst may trigger this evening a magnetic storm on Earth. However, given the angle of the plasma jet, the effects should be minor. The geomagnetic storm may still disrupt the operation of the electrical networks and the GPS satellites. Another effect, regarded as positive, would be the appearance of polar auroras bigger than usual.

A solar storm is triggered by the explosion on the Sun which normally occurs when energy stored in Sun’s magnetic fields, usually above sunspots, is suddenly released. This phenomenon generates a burst of radiation covering a wide range of the electromagnetic spectrum, extending from radio waves to x-rays and gamma-rays. The released power of such an event is similar to simultaneous explosion of millions of 100-megaton hydrogen bombs.

VIDEO: Violent solar storm approaches Earth (June 08, 2011).
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