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Imagine the Universe! Dictionary

imagine.gsfc.nasa.gov/docs/dict_ei.html

... fields in space. electron A negatively charged particle commonly found in the outer layers of atoms. The electron has only 0.0005 the mass of the proton . electron volt The change of potential energy experienced by an electron moving from ...


Electrons

istp.gsfc.nasa.gov/Education/welect.html

... were rather lightweight. The simplest atom, that of hydrogen, contains a central positive particle, a proton, and a single electron, and the proton is nearly 2000 times heavier.     Light, like heat, can also knock electrons out of a ...


Electrons

www-spof.gsfc.nasa.gov/Education/welect.html

... were rather lightweight. The simplest atom, that of hydrogen, contains a central positive particle, a proton, and a single electron, and the proton is nearly 2000 times heavier.     Light, like heat, can also knock electrons out of a ...


Electrons

pwg.gsfc.nasa.gov/Education/welect.html

... were rather lightweight. The simplest atom, that of hydrogen, contains a central positive particle, a proton, and a single electron, and the proton is nearly 2000 times heavier.     Light, like heat, can also knock electrons out of a ...


The Injected Electrons

hesperia.gsfc.nasa.gov/sftheory/electrons.htm

... number of 30 keV electrons. Flare hard x-ray spectra as well as the electron distributions responsible for them are usually well described by a power law . If E represents the electron energy, the power law states that the number of ...


History of the Electron

www-spof.gsfc.nasa.gov/Education/whelect.html

... 100th anniversary of the discovery of the electron, the Center for History of Physics of the American Institute of Physics has created on the world wide web a suitable exhibit: http://www.aip.org/history/electron . Sir George Thomson, J. ...


WMAP Goals: Counting Electrons in the Universe

map.gsfc.nasa.gov/mission/sgoals_parameters_elect.html

... Science Goals Early Universe Parameters Overview WMAP Spectrum Geometry Electrons Content Polarization Structure Team Parameters of Cosmology: Counting the Electrons in the Universe The properties of sound waves in the early universe fluid ...


X-Ray Spectra and Electrons

hesperia.gsfc.nasa.gov/sftheory/spectra.htm

... The Injected Electrons ) appears as a straight line on the plot. The electron distribution at the location in the cusp ( dashed brown curve ) is nearly identical to the injected electron distribution. Some energy loss by the lowest energy ...


History of the Electron

istp.gsfc.nasa.gov/Education/whelect.html

... 100th anniversary of the discovery of the electron, the Center for History of Physics of the American Institute of Physics has created on the world wide web a suitable exhibit: http://www.aip.org/history/electron . Sir George Thomson, J. ...


NASA's Cosmicopia -- Glossary EF

helios.gsfc.nasa.gov/gloss_ef.html

... is equal to one thousand electron volts. An MeV (mega-electron volt) is equal to one million electron volts. A GeV (giga-electron volt) is equal to one billion (10 9 ) electron vo-lts. More about electron volts... Electrostatic analyzer An ...


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