coronal heating problem

Why the NASA Probe Inside the Sun’s Atmosphere Hasn’t Melted

These images from February 24, 2014, show the first moments of an X-class flare in different wavelengths of light – seen as the bright spot that appears on the left limb of the Sun. Hot solar material can be seen hovering above the active region in the sun's atmosphere, the corona. The images were captured by the Solar Dynamics Observatory. Caption and credit: gsfc/Flickr, CC BY 2.0

Spotted: A New Small Clue for the Very Big, Very Old Puzzle About Our Sun

It's hard to glimpse the Sun's 'crown' on regular days – but not during a total solar eclipse. Credit: bairi/pixabay

Scientists Predict How Magnetic Streamers Will Decorate Sun During Solar Eclipse