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This image taken by SDO's AIA instrument at 171 Angstrom shows the current conditions of the quiet corona and upper transition region of the Sun.
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

Page Last Updated: December 31st, 2013
Page Editor: Sarah Loff