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GB7LDI > SAT 14.09.03 23:48l 42 Lines 1682 Bytes #999 (0) @ AMSAT
BID : ANS-257.07
Read: DB0FHN GUEST
Subj: NASA Selects Beryllium Mirror Tech
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Sent: 030914/2033Z @:GB7LDI.#35.GBR.EU #:12668 [Swardeston] FBB7.00g25 $:ANS-25
From: GB7LDI@GB7LDI.#35.GBR.EU
To : SAT@AMSAT
AMSAT News Service Bulletin 257.07 From AMSAT HQ
SILVER SPRING, MD. September 14,
To All RADIO AMATEURS
BID: $ANS-257.07
Northrop Grumman Corporation's Space Technology sector is the prime
contractor leading the design and development of the James Webb Space
Telescope (JWST). Following a thorough and detailed evaluation,
beryllium was selected as the material for the JWST primary mirror.
With the selection of beryllium as the technology for the James Webb
Space Telescope's (JWST) primary mirror, the team led by prime
contractor Northrop Grumman Corporation is on schedule for the
development of the nation's next generation space telescope.
The selection comes one year after the team was awarded a contract to
build JWST by NASA's Goddard Space Flight Center (GSFC).
Northrop Grumman made the selection following a detailed process that
took advantage of insights from a panel of experts representing the
contractor team, NASA and the science community. The team had selected
beryllium as the mirror technology for its original proposal.
Subsequently, the team tested the technology and performed a six-month
evaluation, during which the team reviewed the technology's
implementation plans, technical performance and manufacturing schedule.
Facilities, staffing and cost factors also were considered.
Mirror production will begin within the next few months. The mirrors
will be incorporated into optical assemblies, mounted onto the
telescope structure and then subjected to a series of tests at
cryogenic temperatures, individually and as an integrated system.
[ANS thanks Space Daily for the above information.]
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