By: John Auletta Lenoxx Whitmire Antwain Hutchinson

How elements are identified in stars using spectroscopy

Each natural element has a characteristic light spectrum that helps identify it in samples of unknown substances. Using these methods, scientists can identify pure substances or compounds and the elements inside of them.


The branch of science concerned with the investigation and measurement of spectra produced when matter interacts with or emits electromagnetic radiation.
Spectroscopy of Stars - Wonders of the Universe: Stardust - BBC Two
Big image

Elements found in stars helpful for astronomers

The information revieled with the the spectroscope helps astronomers and other scientists understand why certain stars behave the way they do.