File:Explorer 1 60th Anniversary (NHQ201801310004).jpg

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English: A replica of the Explorer 1 satellite is seen on display during an event celebrating the 60th Anniversary of the Explorer 1 mission and the discovery of Earth's radiation belts, Wednesday, Jan. 31, 2018, at the National Academy of Sciences in Washington. The first U.S. satellite, Explorer 1, was launched from Cape Canaveral on January 31, 1958. The 30-pound satellite would yield a major scientific discovery, the Van Allen radiation belts circling our planet, and begin six decades of groundbreaking space science and human exploration.

Date

Taken on 31 January 2018

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https://www.flickr.com/photos/nasahqphoto/39301304214/

Author

NASA/Joel Kowsky

Joel Kowsky
Description	American photographer
Authority file	: Q71582571

This image or video was catalogued by NASA Headquarters of the United States National Aeronautics and Space Administration (NASA) under Photo ID: NHQ201801310004.

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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	02:25, 5 February 2018		5,190 × 3,463 (8.67 MB)	Ras67 (talk \| contribs)	== {{int:filedesc}} == {{Information \|Description={{en\|1=A replica of the Explorer 1 satellite is seen on display during an event celebrating the 60th Anniversary of the Explorer 1 mission and the discovery of Earth's radiation belts, Wednesday, Jan. 3...

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Commons:WikiProject Aviation/recent uploads/2018 February 5

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.

Image title	A replica of the Explorer 1 satellite is seen on display during an event celebrating the 60th Anniversary of the Explorer 1 mission and the discovery of Earth's radiation belts, Wednesday, Jan. 31, 2018, at the National Academy of Sciences in Washington. The first U.S. satellite, Explorer 1, was launched from Cape Canaveral on January 31, 1958. The 30-pound satellite would yield a major scientific discovery, the Van Allen radiation belts circling our planet, and begin six decades of groundbreaking space science and human exploration. (NASA/Joel Kowsky)
Camera manufacturer	NIKON CORPORATION
Camera model	NIKON D5
Author	NASA/Joel Kowsky
Exposure time	1/160 sec (0.00625)
F-number	f/2.8
ISO speed rating	3,200
Date and time of data generation	11:22, 31 January 2018
Lens focal length	16 mm
Label	Green
Credit/Provider	(NASA/Joel Kowsky)
Source	(NASA/Joel Kowsky)
Headline	Explorer 1 60th Anniversary
Short title	Explorer 1 60th Anniversary
Copyright holder	(NASA/Joel Kowsky)For copyright and restrictions refer to - http://www.nasa.gov/audience/formedia/features/MP_Photo_Guidelines.html
Horizontal resolution	240 dpi
Vertical resolution	240 dpi
Software used	Adobe Photoshop Lightroom 6.10 (Macintosh)
File change date and time	16:58, 31 January 2018
Exposure Program	Manual
Exif version	2.3
Date and time of digitizing	11:22, 31 January 2018
APEX shutter speed	7.321928
APEX aperture	2.970854
APEX exposure bias	0
Maximum land aperture	3 APEX (f/2.83)
Metering mode	Spot
Light source	Unknown
Flash	Flash did not fire
Color space	sRGB
Focal plane X resolution	1,552.0561218262
Focal plane Y resolution	1,552.0561218262
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	Manual exposure
White balance	Auto white balance
Focal length in 35 mm film	16 mm
Scene capture type	Standard
Scene control	Low gain up
Contrast	Normal
Saturation	Normal
Sharpness	Normal
Subject distance range	Unknown
Serial number of camera	3004427
Lens used	14.0-24.0 mm f/2.8
Date metadata was last modified	11:58, 31 January 2018
Rating (out of 5)	5
Writer	jk
Special instructions	MANDATORY CREDIT: (NASA/Joel Kowsky) AFS 8/101 - Permanent
Original transmission location code	NHQ201801310004
Unique ID of original document	A9BED1B4BC3E402F556F1D3A126534B4
Keywords	DC Explorer 1 National Academy of Sciences Washington
Contact information	http://www.nasa.gov NASA Headquarters 300 E Street, SW Washington, DC, 20546 USA 202-358-1900
IIM version	4

File:Explorer 1 60th Anniversary (NHQ201801310004).jpg

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Joel Kowsky

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31 January 2018

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Nikon D5

exposure time

0.00625 second

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2.8

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16 millimetre

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3,200

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image/jpeg

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photograph

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