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  1. The lines tell you what elements are present in the star's chromosphere, which tells you in turn something about which series it belongs to.

    2 Answers · Science & Mathematics · 07/03/2009

  2. Spectrum can have a few different meanings depending on context. In regards to a light source, it usually refers to the major wavelengths that that light source emits

    2 Answers · Science & Mathematics · 18/03/2013

  3. Continuous spectra are caused by so-called black body...each state, so each type of atom emits bright-line spectra at a different set of wavelengths. By...

    3 Answers · Science & Mathematics · 12/02/2007

  4. A " SPECTRUM " literally means a set of (a range of) colors, frequencies...be used for a variety of diseases. Oh and by the way, " spectrum " is a plural of spectra .

    3 Answers · Science & Mathematics · 13/02/2009

  5. Spectrum - "The distribution of a characteristic of a physical system or phenomenon"...high energy gamma rays at the top and everyday radio waves at the bottom. Spectra is just plural for spectrum , and the electromagnetic spectrum is very important...

    2 Answers · Science & Mathematics · 20/02/2011

  6. Spectrum is the 'ordered arrangement' of Electromagnetic radiation... the idea emanated from the visible light split into a spectrum of seven colours, first shown by Isaac newton. ...

    4 Answers · Science & Mathematics · 26/12/2011

  7. Spectrum is singular, spectra is plural. An electron has...can tell what elements are in a star just by measuring the spectrum . Edwin Hubble noticed that lights from some ...

    2 Answers · Science & Mathematics · 18/02/2013

  8. "The emission spectrum of a chemical element or chemical compound is the spectrum of frequencies...to a lower energy state." http://en.wikipedia.org/wiki/Emission_ spectrum "A material's absorption spectrum is the fraction of incident radiation...

    2 Answers · Science & Mathematics · 18/12/2010

  9. Spectrum analysis is everything when you want to know about stars and...that most of the galaxies are moving away from each other. Spectrum analysis can even tell you about the composition of objects in space...

    2 Answers · Science & Mathematics · 20/09/2006

  10. The electromagnetic spectrum ranges from low frequency long wavelength (radio waves) through ... waves have the longest wavelengths in the electromagnetic spectrum . These waves can be longer than a football field or as short...

    2 Answers · Science & Mathematics · 18/04/2009

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