File:Vial of glowing ultrapure helium.jpg

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English: About 20% of the visible matter in the universe is helium, but because it is so light and doesn't react chemically with anything, it escaped from Earth into space, when the solar system was young. So now it is quite rare here. Nonetheless it has multiple applications, from making balloons fly to cooling things to extremely low temperatures with liquid helium. Helium 4 nuclei are emitted at radioactive α-decays, this is the only reason why we have helium on Earth. Once it is in the air, it ascents to the uppermost layers of the atmosphere.
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Source http://images-of-elements.com/helium.php
Author Hi-Res Images of Chemical Elements

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This file is available from Chemical Elements - A Virtual Museum (Jumk.de Webprojects). (images-of-elements.com). Materials from this website available via Creative Commons Attribution 3.0 Unported License.
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This file is licensed under the Creative Commons Attribution 3.0 Unported license.
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w:en:Creative Commons
attribution
This file is licensed under the Creative Commons Attribution 3.0 Unported license.
You are free:
  • to share – to copy, distribute and transmit the work
  • to remix – to adapt the work
Under the following conditions:
  • attribution – You must give appropriate credit, provide a link to the license, and indicate if changes were made. You may do so in any reasonable manner, but not in any way that suggests the licensor endorses you or your use.

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current13:55, 13 September 2013Thumbnail for version as of 13:55, 13 September 20131,584 × 1,584 (262 KB)Stas1995 (talk | contribs)User created page with UploadWizard

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