Corona

Sun Targets Earth with a Massive Solar Flare

By Peter R - Mar 13, 2015 12:01 PM EDT

NASA assures that the flare cannot pass through Earth's atmosphere.

Why is Sun's Corona Hotter Than its Surface? NASA's NuSTAR X-Ray Telescope May Have the Answer

By Peter R - Dec 24, 2014 12:52 PM EST

NuSTAR has for the first time captured X-rays from the Sun, which scientists hope can help answer many puzzles.

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