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not other types of radiation
The Electromagnetic Spectrum is the entire range of radiation extending in frequency from 10<sup>23</sup> cycles per second (or Hertz) to zero Hertz.<ref>http://science.nasa.gov/newhome/help/glossfig1.htm</ref>
The Electromagnetic Spectrum is the entire range of electromagnetic radiation extending in frequency from zero Hertz to 10<sup>23</sup> cycles per second (or Hertz).<ref>http://science.nasa.gov/newhome/help/glossfig1.htm</ref>
== References ==
== References ==
<references/>
<references/>