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Webb Telescope
"s Webb Reaches Alignment
Mar 16,2022
tone; Optics Working Successfully
RELEASE
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escopio Webb de la NASA alcanza un
NASA's Webb Reaches Alignment Milestone, Optics
in
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n su alineacion
Working Successfully
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Lee esta nota de prensa en esparol aqui:
to Discuss Progress as Webb
cope's Mirrors Align
Following the completion of critical mirror alignment steps, NASA's James Webb Space Telescope team expects that Webb's optical performance
be able to
ag0
meet or exceed the science goals the observatory was built to achieve.
Discuss Webb Telescope Progress;
On March 11, the Webb team completed the stage of alignment known as "fine phasing:
At this key stage in the commissioning of Webb's Optical Telescope
Alignment
Element; every optical parameter that has been checked and tested is performing at,
or above, expectations. The team also found no critical issues and no
th Jg0
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
instruments without issue
to Discuss Webb s Arrival at Final
Although there are months to go before Webb ultimately delivers its new view of the cosmos
achieving
nation; Next Steps
this milestone means the team is confident that Webb's first-of-its-kind optical system iS working as
Telescore Alignmemt Evaluatiom image
ths ag0
well as possible.
ano del mandato de Biden;
NASA
"More than 20 years ago, the Webb team set out to build the most powerful telescope that anyone has
ever put in space and came Up with an audacious optical design to meet demanding science goals,
nacia el futuro
said Thomas Zurbuchen, associate administrator for NASA's Science Mission Directorate in
ths ago
Washington: "Today we can say that design is going t0 deliver:
'ear into the Biden Administration,
While some of the largest ground-based telescopes on Earth use segmented primary mirrors, Webb is
'Looks to Future
the first telescope in space to use such a design: The 21-foot, 4-inch (6.5-meter) primary mirror
much
ths 2g0
too big to fit inside a rocket fairing
is made up of 18 hexagonal, beryllium mirror segments. It had t0
While tha pumpose Of this image was t0 focus 0n tne brght star at
be folded up for launch
then unfolded in space before each mirror was adjusted
within
NIRCamn
the center for alignment evaluation Webb's optics and
nanometers
to form a single mirror surface
are 50 sensitive that the galaxies and stars seen in the
background shov: up. At this stage of Webb"
mirror alignment,
"In addition to enabling the incredible science that Webb will achieve, the teams that designed; built;
known as ' fIne phasing
each of the primary Mror segnents
will 
and