File:Calcium spectrum.jpg

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Summary

DescriptionCalcium spectrum.jpg	Calcium spectrum
Date	2008
Source	Cropped version of Image:Sodium and calcium spectra.jpg
Author	Cropped by User:Itub, original by 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."

File history

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	Date/Time	Thumbnail	Dimensions	User	Comment
current	12:10, 18 February 2008		450 × 90 (11 KB)	Itub	{{Information \|Description=Sodium spectrum \|Source=Cropped version of Image:Sodium and calcium spectra.jpg \|Date=2008 \|Author=Cropped by User:Itub, original by NASA \|Permission= \|other_versions= }}

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User:Itub/Gallery

Global file usage

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Usage on ast.wikipedia.org
- Vector propiu y valor propiu
Usage on es.wikipedia.org
- Vector, valor y espacio propios
- Wikiproyecto Discusión:Física/Archivo 6
Usage on gl.wikipedia.org
- Valor propio, vector propio e espazo propio

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JPEG file comment	File written by Adobe Photoshop? 5.0

File:Calcium spectrum.jpg

Summary

Licensing

Captions

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depicts

copyright status

public domain

inception

2008

media type

image/jpeg

checksum

a66e59b394e8943dd57ff956a50527aae79abfa3

data size

11,132 byte

height

90 pixel

width

450 pixel

File history

File usage

Global file usage

Metadata