The Sun's atmosphere, or corona, is spectacularly hot---far, far hotter than the Sun's surface. Why this is is still something of a mystery, and scientists watching the Sun's surface have built ...
The August 12 solar eclipse produced an unusual sight: the corona took on a golden hue over Spain due to the Sun’s position and wildfire smoke. Spain experienced a total solar eclipse on August 12, ...
This image of the solar corona contains a color overlay of the emission from highly ionized iron lines and white light taken of the 2008 eclipse. Red indicates iron line Fe XI 789.2 nm, blue ...