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Spectral line

en.wikipedia.org/wiki/Spectral_line

A spectral line is a dark or bright line in an otherwise uniform and continuous spectrum, resulting from emission or absorption of light in a narrow frequency ...

What is Spectroscopy? - University of Arizona

loke.as.arizona.edu/~ckulesa/camp/spectroscopy_intro.html

Spectroscopy pertains to the dispersion of an object's light into its component colors ... With discrete spectra, one sees only bright or dark lines at very distinct and ... are called emission spectra, those with dark lines are termed absorption spectra. ... Continuous spectra arise from dense gases or solid objects which radiate ...

Absorption Line | COSMOS

astronomy.swin.edu.au/cosmos/a/absorption line

The light that leaves the cloud (right) shows absorption lines in the spectrum at ... seen as dark lines, or lines of reduced intensity, on a continuous spectrum.

Production of Light - Astronomy Notes

www.astronomynotes.com/light/s4.htm

Aug 20, 2007 ... When light is passed through a prism or a diffraction grating to ... and absorption lines (dark lines in an otherwise continuous spectrum) as ...

Emission and Absorption Lines

spiff.rit.edu/classes/phys301/lectures/spec_lines/spec_lines.html

Today, we'll look at the processes by which emission and absorption lines are created. .... spectrum of the Sun shows many, many, MANY dark absorption lines: ... the photosphere -- absorb some of the continuous light coming from the hot, ...

Infrared Spectroscopy in Astronomy

www.ipac.caltech.edu/outreach/Edu/Spectra/spec.html

Within this spectra, astronomers can study emission and absorption lines ... The light is spread out into a continuous band with every wavelength having ... If you look more closely at the Sun's spectrum, you will notice the presence of dark lines  ...

Kirchoff's Law and Spectroscopy | Astronomy 801: Planets, Stars ...

www.e-education.psu.edu/astro801/content/l3_p6.html

A low density, cool gas in front of a hotter source of a continuous spectrum creates a DARK LINE or ABSORPTION LINE spectrum. You can also summarize  ...

Emission and absorption lines

physics.ucr.edu/~wudka/Physics7/Notes_www/node107.html

When this light is decomposed using a prism it is found to be made up of a series of ``lines'', that is, the output from the prism is not a smooth spectrum of colors, ...

Zoom Astronomy Glossary: Spectroscopy - Enchanted Learning

www.enchantedlearning.com/subjects/astronomy/glossary/spectroscopy.shtml

They made a prism-based device that separated the visible light emitted ... of the same substance, the bright spectral lines were replaced by dark ones - in the ... spectral lines (at a particular wavelength) when it is heated, and absorb light at ... a continuous spectrum; other gases produce a line or emission spectrum (only a  ....

Spectral Types of Stars - Eclipsing Binary Stars - NAAP

astro.unl.edu/naap/ebs/spectraltype.html

... absorption and emission. Emission lines (top) and absorption lines (bottom) of Hydrogen. ... If light from a continuous spectrum passes through a cool, transparent gas we observe dark lines appear in the spectrum. The lines occur where ...

More Info

Chapter 2, Section 5

www.castlerock.wednet.edu

Figure 2.12 Emission Spectrum Instead of a continuous spectrum, the light from ... of dark absorption lines superimposed on a bright continuous spectrum. Here ...

Spectra in the Lab

www.ifa.hawaii.edu

Sep 27, 2005 ... The wavelengths of visible light are quite small: between 400 nm and 650 .... Absorption spectrum: dark lines superimposed on a continuous ...

Absorption and Emission - NMSU Astronomy

astronomy.nmsu.edu

A gas of hydrogen atoms will produce an absorption line spectrum if it is between ... of white light) directly, you would see a continuous spectrum, with no breaks.