Article View: sci.space.shuttle
Article #6150Re: Cost of telescope storage?
From: Gordon Vickers
Date: Mon, 29 Jan 1990 17:50
Date: Mon, 29 Jan 1990 17:50
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In article <1990Jan28.010857.19425@utzoo.uucp> henry@utzoo.uucp (Henry Spencer) writes:
( in reply to a previous article by another -gpv)
>
>Basically, it was designed for space (occasional micrometeorites, the
>barest wisp of atmosphere, lots of sunlight) and not for Earth (thick
>wet air with all kinds of icky things drifting and/or flying in it).
>NASA is understandably paranoid about contaminating the optics with,
>well, almost anything. They cost a *bundle*.
>--
I have a freind involved with this project and have heard him
talk about the high cost of maintaining the clean room so the
optics won't get contaminated.
What makes me laugh is it is only a class 10,000 clean room
( maximum allowed contamination 10,000 parts per million) ! For
such a wonderfull telescope, I think its a real shame their contamination
standards are so lax. In this day and age, a class 1000 clean room
isn't difficult to acheive ; class 10 requiring state of the art.
Gordon Vickers 408/991-5370, at Signetics (Sunnyvale, California, USA )
{mips|pyramid|philabs}!prls!facv01!gordon ** All disclaimers apply **
Earth is a complex array of symbiotic relationships: Every extinction, whether
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arc1-ca.pugleaf.net!utzoo!utgpu!jarvis.csri.toronto.edu!mailrus!uwm.edu!zaphod.mps.ohio-state.edu!usc!apple!oliveb!pyramid!prls!gordonReferences:
<162.UUL1.3#5131@mvac23.UUCP> <1990Jan28.010857.19425@utzoo.uucp>Show Full Headers
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Path: arc1-ca.pugleaf.net!utzoo!utgpu!jarvis.csri.toronto.edu!mailrus!uwm.edu!zaphod.mps.ohio-state.edu!usc!apple!oliveb!pyramid!prls!gordon From: gordon@prls.UUCP (Gordon Vickers) Newsgroups: sci.space.shuttle Subject: Re: Cost of telescope storage? Message-ID: <31080@prls.UUCP> Date: 29 Jan 90 17:50:47 GMT References: <162.UUL1.3#5131@mvac23.UUCP> <1990Jan28.010857.19425@utzoo.uucp> Reply-To: gordon@prls.UUCP (Gordon Vickers) Organization: Philips Research Labs, Sunnyvale, California Lines: 25