[HN Gopher] A visual feast of galaxies, from infrared to X-ray
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       A visual feast of galaxies, from infrared to X-ray
        
       Author : giuliomagnifico
       Score  : 71 points
       Date   : 2025-05-02 17:46 UTC (2 days ago)
        
 (HTM) web link (www.esa.int)
 (TXT) w3m dump (www.esa.int)
        
       | PaulHoule wrote:
       | They must be turning infrared intensity at various frequencies to
       | (r,g,b) in a way that longer wavelengths contribute to the r
       | channel and shorter wavelengths to the b channel because they say
       | "more distant galaxies" look redder. See
       | 
       | https://ned.ipac.caltech.edu/level5/March02/Sarazin/frames.h...
       | 
       | for some explanation of how the gas gets so hot
        
         | jazzyjackson wrote:
         | since all space is expanding, isn't it the case that more
         | distant galaxies are moving away from us faster than more local
         | objects? And therefore would be redshifted as a result?
        
       | HocusLocus wrote:
       | This garden universe ... vibrates complete. Some may get a sound
       | so sweet. Vibrations reach on up to become light, and then
       | through gamma, out of sight. Between the eyes and ears there lie
       | the sounds of color and the light of a sigh. And to hear the sun,
       | what a thing to believe ... but it's all around if we could but
       | perceive.
       | 
       | To know ultra-violet, infra-red, and x-rays ... beauty to find in
       | so many ways. Two notes of the chord, that's our full scope, but
       | to reach the chord is our life's hope. And to name the chord is
       | important to some. So they give it a word, and the word is "OM".
       | 
       | https://www.youtube.com/watch?v=N36oRaEF4jA
        
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