Elements found in outer space

how elements are identified in outer space

Each element has a natural characteristic light spectrum that identifys it in samples of unknown substances.

what is spectroscopy?

Spectroscopy is the practice of examining spectra and comparing them to those of known elements. For example scientists can identify pure compounds or substances and the elements in them.

what is a spectroscope?

A spectroscope is an instrument used to measure properties of light over a specific portion and breaks up the light into its different groups to identify and analysis the materials