File:DrChristopherChyba.jpg

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DescriptionDrChristopherChyba.jpg	English: Christopher Chyba. Professor of Astrophysical Sciences and International Affairs, Princeton University. Member of President's Council of Advisors on Science and Technology
Date	4 June 2009
Source	http://www.nasa.gov/offices/hsf/members/chyba-bio.html
Author	NASA

Licensing

	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."

This file, which was originally posted to NASA, was reviewed on 7 January 2019 by reviewer Taivo, who confirmed that it was available there under the stated license on that date.

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	Date/Time	Thumbnail	Dimensions	User	Comment
current	12:51, 7 January 2019		250 × 300 (39 KB)	Taivo (talk \| contribs)
	14:24, 11 June 2009		100 × 125 (26 KB)	Valador (talk \| contribs)	{{Information \|Description={{en\|1=Christopher Chyba}} \|Source=http://www.nasa.gov/offices/hsf/members/chyba-bio.html \|Author=NASA \|Date=2009-06-04 \|Permission= \|other_versions= }} <!--{{ImageUpload\|full}}-->

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Commons:WikiProject Aviation/recent uploads/2019 January 7

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- Benutzer:GlobalYoungAcademyTeam/Presidential Early Career Award for Scientists and Engineers
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- User:GerardM/Presidential Early Career Award for Scientists and Engineers
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- Usuario:GlobalYoungAcademyTeam/Presidential Early Career Award for Scientists and Engineers
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- Utilisateur:GlobalYoungAcademyTeam/Presidential Early Career Award for Scientists and Engineers
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- Gebruiker:GlobalYoungAcademyTeam/Presidential Early Career Award for Scientists and Engineers
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- Q5112101
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- 克里斯托弗·希巴

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 D100
Exposure time	1/500 sec (0.002)
F-number	f/4
Date and time of data generation	15:19, 25 August 2005
Lens focal length	120 mm
Orientation	Normal
Horizontal resolution	72 dpi
Vertical resolution	72 dpi
Software used	Adobe Photoshop CS3 Macintosh
File change date and time	10:38, 2 June 2009
Y and C positioning	Centered
Exposure Program	Manual
Exif version	2.2
Date and time of digitizing	15:19, 25 August 2005
Meaning of each component	Y Cb Cr does not exist
APEX exposure bias	0
Maximum land aperture	3 APEX (f/2.83)
Metering mode	Spot
Light source	Cloudy weather
Flash	Flash did not fire
DateTime subseconds	80
DateTimeOriginal subseconds	80
DateTimeDigitized subseconds	80
Supported Flashpix version	1
Color space	sRGB
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	Manual white balance
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Focal length in 35 mm film	180 mm
Scene capture type	Standard
Scene control	None
Contrast	Normal
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Sharpness	Normal
Subject distance range	Unknown
Supported Flashpix version	1
Image width	250 px
Image height	300 px
Date metadata was last modified	06:38, 2 June 2009
IIM version	2

File:DrChristopherChyba.jpg

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Captions

Summary

Licensing

File history

File usage on Commons

File usage on other wikis

Metadata

Structured data

Items portrayed in this file

depicts

Christopher F. Chyba

copyright status

public domain

inception

4 June 2009

exposure time

0.002 second

f-number

4

focal length

120 millimetre

media type

image/jpeg