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Last update:
9/30/03; 2:49:43 AM

p e r i o d i c
a table of the elements


 Sunday, January 26, 2003


The spectrum of Betelgeuse:

Three exposures show deep bands in the spectrum of this orange star on Orion's eastern arm. The strong doublet in the blue-green is bands from titanium oxide. Extending into the blue end are iron, carbon monohydride, calcium and strontium bands.
  1:53:48 AM   comments