Source: Science Daily
These
photos of the solar corona, or million-degree outer atmosphere, show
the improvement in resolution offered by NASA's High Resolution Coronal
Imager, or Hi-C (bottom), versus the Atmospheric Imaging Assembly on
NASA's Solar Dynamics Observatory (top). Both images show a portion of
the sun's surface roughly 85,000 by 50,000 miles in size. Hi-C launched
on a sounding rocket on July 11, 2012 in a flight that lasted about 10
minutes. The representative-color images were made from observations of
ultraviolet light at a wavelength of 19.3 nanometers (25 times shorter
than the wavelength of visible light).
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