This image, taken on Dec. 31, 2013 by the AIA instrument on NASA's Solar Dynamics Observatory at 171 Angstrom, shows the current conditions of the quiet corona and upper transition region of the sun.
This image, taken on Dec. 31, 2013 by the AIA instrument on NASA’s Solar Dynamics Observatory at 171 Angstrom, shows the current conditions of the quiet corona and upper transition region of the sun.
Image Credit: NASA/SDO
