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Title: Introduction to Spectroscopy
Url: https://imagine.gsfc.nasa.gov/educators/lessons/xray_spectra/backgroun...
Publisher: Goddard Space Flight Center
Description: Even though it is said to be a complex art, spectroscopy can be very useful in helping scientists understand how an object like a black hole, neutron star, or active galaxy is producing light, how fast it is moving, and even what elements it is made of. From spectral lines astronomers can determine not only the element, but the temperature and density of that element in the star. Emission lines can also tell us about the magnetic field of the star and how fast the material is moving, giving us information about stellar wind. The spectrum will give the information necessary to estimate the mass and size of the star system and the companion star. This site explains mechanisms by which an object like a star produces electromagnetic radiation, including continuum emission, synchrotron radiation, bremsstrahlung, and compton scattering.
LC Classification: Science -- Astronomy -- Astrophysics (General) -- Astronomical spectroscopy
Science -- Astronomy -- Descriptive astronomy -- Solar system -- Spectroscopy of moon, planets, comets, etc.
Science -- Physics -- Nuclear and particle physics. Atomic energy. Radioactivity -- Nuclear interactions -- Special types of interactions, A-Z -- Electromagnetic
GEM Subject: Science
Science -- Physics
Science -- Earth science
Science -- Astronomy
Science -- Physical sciences
Resource Type: Reference Material
Format: Document -- HTML
Education Level: High School
Higher Education -- Undergraduate (Lower Division)
Higher Education -- Technical Education (Upper Division)
Higher Education -- Technical Education (Lower Division)
Language: English
Access Rights: Free access
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Source: DLESE
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