Detail Page

written by James Kaler
Spectra is a very informative website about how astronomers use spectra to  understand what stars are made of, their structures, and their evolution.  The page begins with an introduction to the electromagnetic spectrum and then goes into great detail about the properties of light.  Then it talks about how matter both creates and destroys radiation.  Then it discusses how to interpret absorption and emission lines.   The website ends with how astronomers use spectra to understand stars, galaxies,  other objects in the universe.
Subjects Levels Resource Types
- Fundamentals
= Spectra
- Stars
- Color
- Lower Undergraduate
- High School
- Informal Education
- Upper Undergraduate
- Instructional Material
= Lecture/Presentation
- Reference Material
Intended Users Formats Ratings
- Learners
- Educators
- text/html
- image/jpeg
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Additional Information
image credit: N.A.Sharp, NOAO/NSO/Kitt Peak FTS/AURA/NSF; image source. This resource was featured by the Physics To Go collection from January 1, 2007 until January 16, 2007. View the feature here!

Access Rights:
Free access
© 1998 James B. Kaler
absorption, electromagnetic, emission, luminosity, photon, radioactive, spectrum, tutorial
Record Creator:
Metadata instance created February 23, 2004 by Patricia Monahan
Record Updated:
November 17, 2009 by Lyle Barbato
Other Collections:

ComPADRE is beta testing Citation Styles!

Record Link
AIP Format
J. Kaler, (1998), WWW Document, (
J. Kaler, Spectra, (1998), <>.
APA Format
Kaler, J. (1998). Spectra. Retrieved November 16, 2018, from
Chicago Format
Kaler, James. Spectra. 1998. (accessed 16 November 2018).
MLA Format
Kaler, James. Spectra. 1998. 16 Nov. 2018 <>.
BibTeX Export Format
@misc{ Author = "James Kaler", Title = {Spectra}, Volume = {2018}, Number = {16 November 2018}, Year = {1998} }
Refer Export Format

%A James Kaler
%T Spectra
%D 1998
%O text/html

EndNote Export Format

%0 Electronic Source
%A Kaler, James
%D 1998
%T Spectra
%V 2018
%N 16 November 2018
%9 text/html

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