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Old 05-07-2021, 08:26 AM
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pmrid (Peter)
Ageing badly.

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Join Date: May 2008
Location: Cloudy, light-polluted Bribie Is.
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Quote:
Originally Posted by alpal View Post
Thanks Gary,
I may have misunderstood Scott in the video?
It sounded like the old stuff had all been replaced with the 80486 chips.
It is not crystal clear but it doesn't matter -
a computer has failed and we do know that the old 80486 has large
enough transistors that it can go a long time in space
with all the cosmic ray hazards there.
I hadn’t appreciated the restraints now imposed on future replace/repair missions to Hubble by the retirement of the Space Shuttle with all the manipulators etc it had. It does paint a very different picture for Hubble. We have well and truly entered the age of the throw-away satellite. Pity.
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