Monday, May 5, 2014

The Sun in Hydrogen Balmer - Alpha

For those of you still following this blog.  You may remember from class that looking at the Sun at a wavelength where the absorption cross section is high means that we are seeing a shallower surface of the Sun.  Well Astronomy Picture of the Day has a great shot of the Sun in Hydrogen - Balmer Alpha (6562.8 Angstroms).  Check it out!

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