THC Science

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Summary

DescriptionSeptember 17 2001 Ground Zero 02.jpg	English: Ground Zero, New York City, N.Y. (Sept. 17, 2001) -- An aerial view shows only a small portion of the crime scene where the World Trade Center collapsed following the Sept. 11 terrorist attack. Surrounding buildings were heavily damaged by the debris and massive force of the falling twin towers. Clean-up efforts are expected to continue for months. 中文：九一一襲擊事件後，已倒塌的世界貿易中心廢墟（2001年9月17日高空照片）
Source	http://www.navy.mil/view_image.asp?id=135
Author	U.S. Navy photo by Chief Photographer's Mate Eric J. Tilford.

	This file is a work of a sailor or employee of the U.S. Navy, taken or made as part of that person's official duties. As a work of the U.S. federal government, it is in the public domain in the United States.
	This file has been identified as being free of known restrictions under copyright law, including all related and neighboring rights.

PDMCreative Commons Public Domain Mark 1.0falsefalse

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	Date/Time	Thumbnail	Dimensions	User	Comment
current	21:46, 1 June 2005		3,000 × 2,400 (2.82 MB)	Quasipalm	Ground Zero, New York City, N.Y. (Sept. 17, 2001) -- An aerial view shows only a small portion of the crime scene where the World Trade Center collapsed following the Sept. 11 terrorist attack. Surrounding buildings were heavily damaged by the debris and

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Camera manufacturer	NIKON CORPORATION
Camera model	NIKON D1H
Exposure time	1/500 sec (0.002)
F-number	f/8
Date and time of data generation	00:30, 18 September 2001
Lens focal length	35 mm
Horizontal resolution	300 dpi
Vertical resolution	300 dpi
Software used	Ver.1.00
File change date and time	00:30, 18 September 2001
Y and C positioning	Co-sited
Exposure Program	Shutter priority
Exif version	2.1
Date and time of digitizing	00:30, 18 September 2001
Image compression mode	4
Exposure bias	0
Maximum land aperture	3 APEX (f/2.83)
Metering mode	Spot
DateTime subseconds	35
DateTimeOriginal subseconds	35
DateTimeDigitized subseconds	35
Color space	sRGB
Sensing method	One-chip color area sensor