File:ISS-53 Joseph Acaba works inside the Destiny lab.jpg

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Description	English: Flight Engineer Joe Acaba works in the U.S. Destiny laboratory module setting up hardware for the Zero Boil-Off Tank (ZBOT) experiment. ZBOT uses an experimental fluid to test active heat removal and forced jet mixing as alternative means for controlling tank pressure for volatile fluids. Rocket fuel, spacecraft heating and cooling systems, and sensitive scientific instruments rely on very cold cryogenic fluids. Heat from the environment around cryogenic tanks can cause their pressures to rise, which requires dumping or "boiling off" fluid to release the excess pressure, or actively cooling the tanks in some way.
Date	Taken on 19 September 2017
Source	https://www.flickr.com/photos/nasa2explore/38703173011/
Author	NASA

This image or video was catalogued by Johnson Space Center of the United States National Aeronautics and Space Administration (NASA) under Photo ID: ISS053-E-027051.

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	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	23:23, 3 December 2017		4,928 × 3,280 (2.29 MB)	Ras67 (talk \| contribs)	== {{int:filedesc}} == {{Information \|Description={{en\|1=Flight Engineer Joe Acaba works in the U.S. Destiny laboratory module setting up hardware for the Zero Boil-Off Tank (ZBOT) experiment. ZBOT uses an experimental fluid to test active heat removal...

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Commons:WikiProject Aviation/recent uploads/2017 December 3

Metadata

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	NIKON CORPORATION
Camera model	NIKON D4
Exposure time	1/60 sec (0.016666666666667)
F-number	f/5.6
ISO speed rating	400
Date and time of data generation	09:59, 19 September 2017
Lens focal length	20 mm
User comments	NASA 2071141 77.0F
Orientation	Normal
Horizontal resolution	300 dpi
Vertical resolution	300 dpi
Software used	Adobe Photoshop CC 2017 (Windows)
File change date and time	14:11, 20 September 2017
Exposure Program	Normal program
Exif version	2.21
Date and time of digitizing	09:59, 19 September 2017
APEX shutter speed	5.906891
APEX aperture	4.970854
APEX exposure bias	0
Maximum land aperture	3 APEX (f/2.83)
Metering mode	Pattern
Light source	Unknown
Flash	Flash fired, strobe return light detected, compulsory flash firing
DateTime subseconds	30
DateTimeOriginal subseconds	30
DateTimeDigitized subseconds	30
Color space	sRGB
Focal plane X resolution	1,368.888885498
Focal plane Y resolution	1,368.888885498
Focal plane resolution unit	3
Sensing method	One-chip color area sensor
File source	Digital still camera
Scene type	A directly photographed image
Custom image processing	Normal process
Exposure mode	Auto exposure
White balance	Auto white balance
Digital zoom ratio	1
Focal length in 35 mm film	20 mm
Scene capture type	Standard
Scene control	Low gain up
Contrast	Normal
Saturation	Normal
Sharpness	Normal
Subject distance range	Unknown
Serial number of camera	2071141
Lens used	17.0-35.0 mm f/2.8
Date metadata was last modified	09:11, 20 September 2017
Rating (out of 5)	0
Unique ID of original document	6DE968139A45FD4C467D27BD41FC0FDA

File:ISS-53 Joseph Acaba works inside the Destiny lab.jpg

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