File:Helium spectra.jpg

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

Description	English: Helium spectra using a 600lpm diffraction grating.
Date	18:51, 18 April 2010 (UTC) (18 April 2010 (original upload date))
Source	Transferred from en.wikipedia; transferred to Commons by User:João Sousa using CommonsHelper. (Original text : I ( teravolt ( talk)) created this work entirely by myself.)
Author	( teravolt ( talk)). Original uploader was Teravolt at en.wikipedia
Permission ( Reusing this file)	Released into the public domain (by the author).

Licensing

This work has been released into the public domain by its author, Teravolt at the wikipedia project. This applies worldwide.

In case this is not legally possible:
Teravolt grants anyone the right to use this work for any purpose, without any conditions, unless such conditions are required by law.

File usage

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

Find out about Schools Wikipedia

All five editions of Schools Wikipedia were compiled by SOS Childrens Villages. SOS Children's Villages helps those who have nothing and no one, giving them back the famly they have lost and bringing them the very best opportunities for a happy, healthy future. We have helped children in Africa for many years - you can help too...