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Webb Telescope
NASATs Webb Reaches Alignment
Mar 16,2022
Milestone; Optics Working Successtullv
RELEASE
22-024
77 hours 2g0
Etelescopio Webb de la NASA alcanza un
NASA's Webb Reaches Alignment Milestone, Optics
in
hito en Su allneacion;
Working Successfully
17 hours 280
Lee esta nota de prensa en espanol aqui:
NASA to Discuss Progress as Webb
Telescope s Mirrors Align
Following the completion of critical mirror alignment steps, NASA's James Webb Space Telescope team expects that Webbs optical performance will be able t0
dav5 JE0
meet Or exceed the science
Is 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 "fine phasing
At this key stage in the commissioning of Webb's Optical Telescope:
Mirror 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
month 3g0
measurable contamination or blockages to Webb'
optica
The observatory is able t0 successfully gather light from distant objects and deliver it to its
Instruments Without ISSUe.
NASA to Discuss Webb s Arrival at Final
Although there are months t0 go before Webb ultimately delivers its new view of the cosmos; achieving
Destination Next
TeLEScopE AlIgMIERT EvaluatIdu IMAGE
this milestone means the team is confident that Webb's first-of-its-kind optical system iS working as
months 280
well as possible.
Aun ano del mandato de Biden;la NASA
"More than 20 years ago, the Webb team set out to build the most powerful telescope that anyone has
ever
in space and came up with an audacious optical design t0 meet demanding science goals;
mir hacia el futuro:
said Thomas Zurbuchen, associate administrator for NASA's Science Mission Directorate in
months Jg0
Washington  "Today we can say that design is going t0 deliver:"
Ore Year into the Biden Administration;
While some of the largest ground-based telescopes on Earth use segmented primary mirrors, Webb is
NASA Looks tp Future
the first telescope in space t0 use such a design. The 21-foot; 4-inch (6.5-meter) primary mirror
much
2 months Jg0
too big to fit inside
rocket fairing _ is made up of 18 hexagonal, beryllium mirror segments
had to
While thz pumpose of this Image was t0 focus on tne bright star at
be folded up for launch and then unfolded in space before each mirror was adjusted
[0 within
the center for alignmentevaluation; Webb's optics and NIRCam
nanometers
t0 form
single mirror suntace.
50 sensitive thai the galaxies and stars seenin the
background shov' up. At this stage
Webb'
mitror alignment,
"In addition t0
enabling the incredible science that Webb will achieve, the teams that designed, built;
known
"fine phasing;
each pf the printary mirror segments
tested, launched, and now operate this observatory have pioneered
new way t0 build space
nave
been adjusted
produce one unified image of the same
using only the NIRCam Instrument: This image 0f the star;
telescopes,
said Lee Feinberg; Webb optical telescope element manager at NASA's Goddard Space
which is called 2MASS Ji7554042+6551277, uses
red filter to
Flight Center in Greenbelt; Maryland.
optimize visual coritrasl
Credits: NASAISTScI
NASAs Webb Reaches Alignment Milestone, Optics Working Successfully
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