12-07-23 Astronomers have just released the highest-resolution images ever taken of the Sun's corona（日冕） , or million-degree outer atmosphere, in an extreme-ultraviolet wavelength of light. The 16-megapixel images were captured by NASA's High Resolution...

10-01-05 Solar physicists attempting to unlock the mysteries of the solar corona日冕 have found another piece of the puzzle by observing the sun's outer atmosphere during eclipses. Ground-based observations reveal the first images of the solar corona in the...