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Hubble’s best camera suffers fresh trouble
MSNBC ^
| 01/29/2007
| Tariq Malik
Posted on 01/29/2007 1:10:46 PM PST by Sleeping Freeper
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To: Yo-Yo
"Government workers didn't build the Hubble. The company Perkin-Elmer did."
I'd be shocked if after building the most expensive mirror in history, they looked at it and said "Whoops, we were supposed to have a focal length of infinity, but it is actually 250 miles!"
To: Sax
The Hubble's trouble. Engineer rubs his stubble. An idea to fix it.LOL! Perfect. :)
To: Yo-Yo
My guess is they ground Hubble's mirror to the same specifications as they did for all Keyhole mirrors. Only problem is, Keyhole mirrors are ground to focus on the Earth about 250 miles away, while Hubble was supposed to focus at infinity.Not only did they grind it to those specs - they also tested it on the KH stand, rather than recalibrate for its mission, so it passed its tests.
As Captain Kirk would say: "You did not notice your error - that's two mistakes! You failed to correct your error. You are flawed!"
43
posted on
01/31/2007 5:43:16 AM PST
by
SlowBoat407
(A living insult to islam since 1959)
To: SlowBoat407
44
posted on
01/31/2007 6:01:56 AM PST
by
Yo-Yo
(USAF, TAC, 12th AF, 366 TFW, 366 MG, 366 CRS, Mtn Home AFB, 1978-81)
To: Yo-Yo
45
posted on
01/31/2007 6:09:33 AM PST
by
SlowBoat407
(A living insult to islam since 1959)
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