To everybody that is freaking out about recent solar flares and causing sunscreen prices to skyrocket (see what I did there): don't. Solar flares are normal and as long as you are within the earth's atmosphere, the earth's magnetic field will protect you from them - as it has been doing for a quite a while now. It is however justified to be concerned about GPS functionality, power grids and astronauts on the surface of Mars... who can all malfunction with exposure to solar flares.
How the earth's magnetic field protects the earth's atmosphere from the solar wind: http://www.physicscentral.com/explore/action/solar-1.cfm
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