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Sun-Earth Day 2008: Space Weather Around the World

Sun-Earth Day 2008: Space Weather Around the World

IMAGE GALLERY

A sequence of pictures taken by the IMAGE satellite of an aurora borealis sequence. From space, the aurora appear as a halo of light centered on the magnetic north and south poles. (Courtesy: IMAGE-FUV)

A sequence of pictures taken by the IMAGE satellite of an aurora borealis sequence. From space, the aurora appear as a halo of light centered on the magnetic north and south poles. (Courtesy: IMAGE-FUV)

This image appears in the Technology Through Time article, #61: "What Causes An Auroral Storm?".

Space Weather Fact

Some sunspots are cool enough that water vapor can form at a temperature of 1,550 °C.

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