Solar Week - Ask a Question

Come here during Solar Week (next one: March 22-26, 2021) to interact. To post a question, click on your area of interest from the topics below, and then click on the "Ask New Question" button. Or EMAIL or tweet or plant in Answer Garden your question about the Sun or life as a scientist to us -- and watch for it to appear here.  You can also visit our FAQs (frequently asked questions). In between Solar Weeks in October and March, you can view all the archives here.

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1 Replies and 3888 Views upper atmosphere/auroras �3888 �1 Started by shawn m Hi, where does the purple glow in aurora's come from, and other colors, usually you see a lot of green colored ones, but purple not as often
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by Laura PeticolasJump to last post
10/27/2017 7:46 AM
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