This is the Web Edition of "A Trip Into Space", a Coimbra-based electronic book on space science. Both the texts and the photos are by courtesy of National Aeronautics and Space Administration.
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A Trip Into Space Sun Sun - Solar Disk In H-Alpha |
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| See also: The Sun, Sun - X-Ray Image, The Sun - By Soho's Eit At Four Different Wavelenghts, The Sun - From Yohkoh And From Nso (Comparison) | ![]() ![]() |
This is an image of the Sun as seen in Ha which is a narrow wavelength of red light that is emitted and absorbed by the element hydrogen. (Courtesy National Solar Observatory/Sacramento Peak)

Last Update: 2004-Nov-27