Strong Solar Storm’s Effects Hit Earth
January 24, 2012 by staff
Strong Solar Storm’s Effects Hit Earth, A solar flare is captured by the Solar Dynamics Observatory on Thursday. The solar flare occurred at about 11 p.m. EST Sunday and will hit Earth with three different effects at three different times. The biggest issue is radiation, according to the National Oceanic and Atmospheric Administration’s Space Weather Prediction Center in Colorado.
The radiation is mostly a concern for satellite disruptions and astronauts in space. It can cause communication problems for polar-traveling airplanes, said space weather center physicist Doug Biesecker.
Radiation from Sunday’s flare arrived at Earth an hour later and will likely continue through Wednesday. Levels are considered strong but other storms have been more severe. There are two higher levels of radiation on NOAA’s storm scale – severe and extreme – Biesecker said. Still, this storm is the strongest for radiation since May 2005.
The radiation – in the form of protons – came flying out of the sun at 93 million miles per hour.
“The whole volume of space between here and Jupiter is just filled with protons and you just don’t get rid of them like that,” Biesecker said. That’s why the effects will stick around for a couple days.
NASA’s flight surgeons and solar experts examined the solar flare’s expected effects and decided that the six astronauts on the International Space Station do not have to do anything to protect themselves from the radiation, spokesman Rob Navias said.
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