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Hubble construction

by clel miller
Tags: construction, hubble
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clel miller
#1
Feb23-14, 01:34 PM
P: 5
I did a cursory search on the forum, and I browsed Wiki.....but maybe I missed it.
What is that big Flap/Door on the end of the scope.?
Is it part of the optics, or is it a protection device, or a.....?
Thank You
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Bandersnatch
#2
Feb23-14, 02:22 PM
P: 703
It's the aperture door. It closes to protect the optics from sunlight.

Read more here:
asd.gsfc.nasa.gov/archive/sm3a/downloads/sm3a_media_guide/HST-systems.pdf
clel miller
#3
Feb23-14, 02:40 PM
P: 5
10-4
Thank You.....


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