Giant Waves Show Sun's Volatile Atmosphere Is Bigger Than Expected

June 30, 2014 12:35 PM

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The sun's volatile atmosphere is even bigger than expected, a NASA spacecraft revealed through observations of gigantic waves.

While the sun itself is 864,938 miles (1.392 million kilometers) wide, NASA's Solar Terrestrial Relations Observatory, or STEREO, found that the solar atmosphere, known as the corona, stretches 5 million miles (8 million km) above the sun's surface.

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