Universe
ID: 10133
Helium nuclei were created in the Big Bang and contain two protons and two neutrons each. Helium is the second most abundant element, comprising roughly one quarter of the mass of the Universe. This animation zooms into a standard helium atom, showing its protons (green), neutrons (white), and electrons (blue).
The Helium Atom
Credits
Please give credit for this item to:
NASA
NASA
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https://svs.gsfc.nasa.gov/10133
This item is part of this series:
Astrophysics Animations
Goddard TV Tape:
G2007-007HD
Keywords:
DLESE >> Atmospheric science
DLESE >> Chemistry
SVS >> HDTV
GCMD >> Earth Science >> Atmosphere >> Atmospheric Chemistry
SVS >> Astrophysics
SVS >> Early Universe
SVS >> Cosmology
SVS >> Big Bang
SVS >> Universe
SVS >> Atom
NASA Science >> Universe
GCMD keywords can be found on the Internet with the following citation: Olsen, L.M., G. Major, K. Shein, J. Scialdone, S. Ritz, T. Stevens, M. Morahan, A. Aleman, R. Vogel, S. Leicester, H. Weir, M. Meaux, S. Grebas, C.Solomon, M. Holland, T. Northcutt, R. A. Restrepo, R. Bilodeau, 2013. NASA/Global Change Master Directory (GCMD) Earth Science Keywords. Version 8.0.0.0.0
https://svs.gsfc.nasa.gov/10133
This item is part of this series:
Astrophysics Animations
Goddard TV Tape:
G2007-007HD
Keywords:
DLESE >> Atmospheric science
DLESE >> Chemistry
SVS >> HDTV
GCMD >> Earth Science >> Atmosphere >> Atmospheric Chemistry
SVS >> Astrophysics
SVS >> Early Universe
SVS >> Cosmology
SVS >> Big Bang
SVS >> Universe
SVS >> Atom
NASA Science >> Universe
GCMD keywords can be found on the Internet with the following citation: Olsen, L.M., G. Major, K. Shein, J. Scialdone, S. Ritz, T. Stevens, M. Morahan, A. Aleman, R. Vogel, S. Leicester, H. Weir, M. Meaux, S. Grebas, C.Solomon, M. Holland, T. Northcutt, R. A. Restrepo, R. Bilodeau, 2013. NASA/Global Change Master Directory (GCMD) Earth Science Keywords. Version 8.0.0.0.0
