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astro:ngc2537 color
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March 9th 08, 04:12 PM posted to alt.binaries.pictures.astro
George Normandin[_1_]
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astro:ngc2537 color
"Rick Johnson" wrote
...
HI I'd think would be a radio source not visual.
Rick,
I agree. Neutral hydrogen is cold hydrogen and only radiates at 21
centimeters. The reference must have a typo in it.
George N
George Normandin[_1_]
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