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Webb Telescope 
NASA s Webb Reaches Alignment
Mar 16,2022
Milestone; Optics Working Successfully
RELEASE
22-024
17 hours ag0
El telescopio Webb de la NASA alcanza un
NASA's Webb Reaches Alignment Milestone, Optics
in
hito en su alineacion
Working Successfully
17 hours ag0
Lee esta nota de prensa en esparol aqul:
NASA to Discuss Progress a5 Webb
Telescope's Mirrors Align
Following the completion of critical mirror alignment steps, NASA's James Webb Space Telescope team expects that Webb's optical performance will be able to
ag0
meet or exceed the science goals the observatory was built to achieve.
NASA to Discuss Webb Telescope Progress;
On March 11, the Webb team completed the stage of alignment known as
phasing_
At this key stage in the commissioning of Webb's Optical Telescope
Mirror Alignment
Element; every optical parameter that has been checked
tested is
performing at; or above, expectations. The team also found no critical issues and no
month
measurable contamination Or
blockages to Webb's optical path: The observatory is able t0 successfully gather light from distant objects and deliver it to its
Jg0
instruments without issue.
NASA to Discuss Webb s Arrival at Final
Although there are months to go before Webb ultimately delivers itS new view of the cosmos, achieving
Destination; Next Steps
this milestone means the team is confident that Webb's first-of-its-kind optical system is working as
Telesc Ope Alignmeht Evaluation Ivage
2 months Jg0
well as possible
"More than 20 years ago, the Webb team set out t0 build the most powerful telescope that anyone has
A un ana del mandato de Biden; Ia NASA
ever put in space and came up with an audacious optical design to meet demanding science goals,
mira hacia e
futuro
said Thomas Zurbuchen
associate administrator for NASA's Science Mission Directorate in
months ago
Washington: 'Today we can say that design is going to deliver:
One Year into the Biden Administration;
While some of the largest ground-based telescopes on Earth use segmented primary mirrors, Webb is
MASA Looks to Future
the first telescope in space to use such a design: The 21-foot, 4-inch (6.5-meter) primary mirror-
much
months ago
too big to fit inside a rocket fairing
is made up of 18 hexagonal; beryllium mirror segments. It had to
While the purpose of this image was t0 focus on the bright star at
be folded up for launch and then unfolded in space before each mirror was adjusted
t0 within
the center for allignment evaluation, Webb's optics ard NIRCam
nanometers
[0 form a single mirror surface
are 50 sensitive that the galaxies and stars seen in the
background show upAt this stage of Webb 5 mirror alignment;
"In
addition to enabling the incredible science that Webb will achieve, the teams that designed, built,
known a5 "fine phasing
each of the primary mirror segments
tested, launched , and now operate this observatory have pioneered a new way to build space
have been adjusted t0 produce one un fied image of the same
star using anly the NIRCam instrunent; This inage af the star
telescopes,
said Lee Feinberg; Webb optical telescope element manager at NASAs Goddard Space
which IS called 2MASS J17554042-6551277
uses
red ilter t0
Flight Center in Greenbelt; Maryland
optimize visual contrasl
Credits: NASAISTScI
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"fine
and