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|    sci.space.tech    |    Technical and general issues related to    |    3,113 messages    |
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|    Message 2,675 of 3,113    |
|    Keith Harwood to Cray74@gmail.com    |
|    Re: Liquid Hydrogen Refrigeration    |
|    24 Mar 05 18:02:54    |
      From: vitalmis@optusnet.com.au              Cray74@gmail.com wrote:              > Henry Spencer wrote:       >> For one thing, the sky is substantially above 3K (more precisely,       > 2.7K).       >> That's the cosmic background temperature, yes, but there are       > foreground       >> objects as well, some of them moderately bright. I don't remember       > what       >> the final total is, but if memory serves, it's noticeably above 3K.       >       > But is it below 20K? :)       >       > Mike Miller, Materials Engineer              IIRC it's about 10K.              --- SoupGate-Win32 v1.05        * Origin: you cannot sedate... all the things you hate (1:229/2)    |
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