The solar-induced magnetic storms that produce the Northern (Southern) Lights, or Aurora Borealis (Australis), are generated when electrons from…
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Viewing the Sun with Welding Glasses
First of all, it is important to note that you should only use glasses made with lens material rated…

Can the Northern Lights Be Observed During a Summertime Solar Eclipse
The Northern Lights (Aurora Borealis/Australis) are only visible at night (or, strictly speaking, when the Sun is not up…

Proton-Proton Cycle Question: Why is the Mass of a Helium Nucleus Less Than the Sum of Four Hydrogen Nuclei?
Let’s do the calculation using atomic mass units (u) for the Hydrogen and Helium atoms involved. H = 1.00784…

How to Calculate the Orbital Period of the Sun Around the Center of our Galaxy
I believe that this question has been addressed in a previous answer to a question about the Orbital Period…

Are There EUV Intensity Measurements of the Earth’s Surface?
I found two satellite systems that appear to measure EUV emission. The Ionospheric Connection Explorer (ICON) and the Geostationary…