File:DrChristopherChyba.jpg

No higher resolution available.

DrChristopherChyba.jpg (250 × 300 pixels, file size: 39 KB, MIME type: image/jpeg)

This is a file from the Wikimedia Commons. Information from its description page there is shown below.
Commons is a freely licensed media file repository. You can help.

Summary

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.

File history

Click on a date/time to view the file as it appeared at that time.

	Date/Time	Thumbnail	Dimensions	User	Comment
current	12:51, 7 January 2019		250 × 300 (39 KB)	Taivo
	14:24, 11 June 2009		100 × 125 (26 KB)	Valador	{{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}}-->

File usage

The following page uses this file:

User:GerardM/Presidential Early Career Award for Scientists and Engineers

Global file usage

The following other wikis use this file:

Usage on de.wikipedia.org
- Benutzer:GlobalYoungAcademyTeam/Presidential Early Career Award for Scientists and Engineers
Usage on es.wikipedia.org
- Usuario:GlobalYoungAcademyTeam/Presidential Early Career Award for Scientists and Engineers
Usage on fr.wikipedia.org
- Utilisateur:GlobalYoungAcademyTeam/Presidential Early Career Award for Scientists and Engineers
Usage on nl.wikipedia.org
- Gebruiker:GlobalYoungAcademyTeam/Presidential Early Career Award for Scientists and Engineers
Usage on www.wikidata.org
- Q5112101
Usage on zh.wikipedia.org
- 克里斯托弗·希巴

Metadata

This file contains additional information, probably added from the digital camera or scanner used to create or digitize it.

If the file has been modified from its original state, some details may not fully reflect the modified file.

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
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
Digital zoom ratio	1
Focal length in 35 mm film	180 mm
Scene capture type	Standard
Scene control	None
Contrast	Normal
Saturation	Normal
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

Summary

Licensing

Captions

In dieser Datei abgebildete Objekte

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

File history

File usage

Global file usage

Metadata