Image:NASA Hydrogen spectrum.jpg

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NASA_Hydrogen_spectrum.jpg‎ (616 × 163 pixels, file size: 74 KB, MIME type: image/jpeg)

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

Summary

NASA still images, audio files and video generally are not copyrighted. You may use NASA imagery, video and audio material for educational or informational purposes, including photo collections, textbooks, public exhibits and Internet Web pages. This general permission extends to personal Web pages. This image was produced by cropping one NASA image. It shows the bright-line spectrum produced by hydrogen.

	This diagram image should be recreated using vector graphics as an SVG file. This has several advantages; see Commons:Media for cleanup for more information. If an SVG form of this image is already available, please upload it. After uploading an SVG, replace this template with {{ vector version available\|new image name.svg}}.
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Licensing

This file is in the public domain because it was created by NASA. NASA copyright policy states that "NASA material is not protected by copyright unless noted". ( NASA copyright policy page or JPL Image Use Policy).

Warnings:

Use of NASA logos, insignia and emblems are restricted per US 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 from the Hubble Space Telescope may be copyrighted if they do not explicitly come from the STScI.
All materials created by the SOHO probe are copyrighted and require permission for commercial non-educational use.
Images featured on the Astronomy Picture of the Day (APOD) web site may be copyrighted.

File history

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

	Date/Time	Dimensions	User	Comment
current	19:14, 23 February 2006	616×163 (74 KB)	Patrick Edwin Moran	(Fixed spelling mistake on original version of this file. NASA photo. Can't select appropriate license in the licensing menu.)
	01:20, 21 January 2006	616×163 (75 KB)	Patrick Edwin Moran	(NASA still images, audio files and video generally are not copyrighted. You may use NASA imagery, video and audio material for educational or informational purposes, including photo collections, textbooks, public exhibits and Internet Web pages. This gene)

File links

The following pages on Schools Wikipedia link to this image (list may be incomplete):

Introduction to quantum mechanics

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.

Orientation	Normal
Horizontal resolution	72 dpi
Vertical resolution	72 dpi
Software used	Adobe Photoshop CS Windows
File change date and time	09:41, 21 February 2006
Flash	27361
Colour space	sRGB

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