70-year-old conundrum of the hot solar corona may be solved

From Columbia University Astronomers find clues to decades-long coronal heating mystery Drs. Michael Hahn and Daniel Wolf Savin, research scientists at Columbia University’s Astrophysics Laboratory in New York, NY, found evidence that magnetic waves in a polar coronal hole contain enough energy to heat the corona and moreover that they also deposit most of their…

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Solar corona revealed in super-high-definition

From the Harvard-Smithsonian Center for Astrophysics Today, astronomers are releasing the highest-resolution images ever taken of the Sun’s corona, or million-degree outer atmosphere, in an extreme-ultraviolet wavelength of light. The 16-megapixel images were captured by NASA’s High Resolution Coronal Imager, or Hi-C, which was launched on a sounding rocket on July 11th. The Hi-C telescope…