Why NASA Studies the Ultraviolet Sun

[SDO]

You cannot look at the sun without special filters, and the naked eye cannot perceive certain wavelengths of sunlight. Solar physicists must consequently rely on spacecraft that can observe this invisible light before the atmosphere absorbs it.
“Certain wavelengths either do not make it through Earth’s atmosphere or cannot be seen by our eyes, so we cannot use normal optical telescopes to look at the spectrum,” said Dean Pesnell, the project scientist for the Solar Dynamics Observatory, or SDO, at NASA’s Goddard Space Flight Center in Greenbelt, Maryland.

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[Joanne Shepard]

I wasn't able to thank you (for some reason) for this article on the Sun. Ive just started to sun gaze a few weeks now, and just today I was sharing some things I've learned about sun gazing and Alligators came to my mind, you know they can go a whole year with out a meal, and what do you think they are doing while they lay in the sun every chance they get? They are sun gazing