File:A Mechanical Harmony to NASA's Webb Telescope Sunshield (29831166362).jpg

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Description	NASA's James Webb Space Telescope has a giant custom-built, kite-shaped sunshield driven by mechanics that will fold and unfold with a harmonious synchronicity 1 million miles from Earth. Like a car, many mechanical pieces in the Webb telescope's sunshield will work together to open it from its stored folded position in the rocket that will carry it into space. According to car manufacturers, a single car can have about 30,000 parts, counting every part down to the smallest screws. Like getting all of the parts in a car to operate together, the mechanical parts of the sunshield have to work in the same way. The sunshield support structure contains well over 7,000 flight parts, including springs, bearings, pulleys, magnets, etc. In addition, the sunshield has hundreds of custom fabricated pieces. Most mechanical pieces were developed exclusively for the sunshield, with a few from existing designs. Read more: go.nasa.gov/2cXcQMT
Date	18 June 2015, 00:45 (according to Exif data)
Source	A Mechanical Harmony to NASA's Webb Telescope Sunshield
Author	NASA Goddard Space Flight Center from Greenbelt, MD, USA

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This image was originally posted to Flickr by NASA Goddard Photo and Video at https://flickr.com/photos/24662369@N07/29831166362. It was reviewed on 28 September 2016 by FlickreviewR and was confirmed to be licensed under the terms of the cc-by-2.0.

28 September 2016

	This file is in the public domain in the United States because it was solely created by NASA. NASA copyright policy states that "NASA material is not protected by copyright unless noted". (See Template:PD-USGov, NASA copyright policy page or JPL Image Use Policy.)
	Warnings: Use of NASA logos, insignia and emblems is restricted per U.S. law 14 CFR 1221. The NASA website hosts a large number of images from the Soviet/Russian space agency, and other non-American space agencies. These are not necessarily in the public domain. Materials based on Hubble Space Telescope data may be copyrighted if they are not explicitly produced by the STScI.[1] See also {{PD-Hubble}} and {{Cc-Hubble}}. The SOHO (ESA & NASA) joint project implies that all materials created by its probe are copyrighted and require permission for commercial non-educational use. [2] Images featured on the Astronomy Picture of the Day (APOD) web site may be copyrighted. [3] The National Space Science Data Center (NSSDC) site has been known to host copyrighted content. Its photo gallery FAQ states that all of the images in the photo gallery are in the public domain "Unless otherwise noted."

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	Date/Time	Thumbnail	Dimensions	User	Comment
current	12:39, 28 September 2016		1,041 × 659 (134 KB)	Well-Informed Optimist (talk \| contribs)	Transferred from Flickr via Flickr2Commons

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This file contains additional information such as Exif metadata which may have been added by the digital camera, scanner, or software program used to create or digitize it. If the file has been modified from its original state, some details such as the timestamp may not fully reflect those of the original file. The timestamp is only as accurate as the clock in the camera, and it may be completely wrong.

Camera manufacturer	Canon
Camera model	Canon EOS 5D Mark III
Exposure time	1/50 sec (0.02)
F-number	f/5.6
ISO speed rating	640
Date and time of data generation	00:45, 18 June 2015
Lens focal length	18 mm
Label	Winner
Orientation	Normal
Horizontal resolution	300 dpi
Vertical resolution	300 dpi
Software used	Adobe Photoshop CC 2014 (Macintosh)
File change date and time	14:27, 22 June 2015
Exposure Program	Manual
Exif version	2.3
Date and time of digitizing	00:45, 18 June 2015
APEX shutter speed	5.643856
APEX aperture	4.970854
APEX exposure bias	0
Maximum land aperture	4 APEX (f/4)
Metering mode	Pattern
Flash	Flash fired, compulsory flash firing
DateTime subseconds	00
DateTimeOriginal subseconds	00
DateTimeDigitized subseconds	00
Color space	Uncalibrated
Focal plane X resolution	1,600
Focal plane Y resolution	1,600
Focal plane resolution unit	3
Custom image processing	Normal process
Exposure mode	Manual exposure
White balance	Manual white balance
Scene capture type	Standard
Serial number of camera	272021000575
Lens used	EF16-35mm f/4L IS USM
Rating (out of 5)	0
Date metadata was last modified	07:27, 22 June 2015
Unique ID of original document	5E695D7C1AE4FC2216662DB6E176E180

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File:A Mechanical Harmony to NASA's Webb Telescope Sunshield (29831166362).jpg

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