In photographs of total solar eclipses, the ethereal halo an observer sees is the sun’s corona. The word means „crown“ in Latin and Spanish, but the beauty of the name masks a scorching reality: 500 kilometers from the sun’s visible surface, coronal temperatures can reach a few million degrees.
By Doris Elin Salazar | SPACE.com
This environment makes the sun a hostile world to study. So to ensure a new NASA mission to the sun succeeds, engineers added protection to the spacecraft, according to a new statement from the space agency. [Get Ready for 2 Solar Eclipses Coming to the US in 2023 and 2024]