This page is being updated at Astra's as Flash is no longer supported on the internet. My plan is offer a new tutorial that illustrates the science of spectroscopy through images of "& The Milky Way " by modern science. It include links to Stellar Cartography on the web. Go to the new spectroscopy page here.

Stellar Cartography in the Universe of "Trek"

Stellar Cartography in the Non-Fiction Universe

Learn about spectroscopy at Astra's

Go to the new spectroscopy app here.

Use this text version of the spectroscopy page for more information, links and credits used in Astra's description of Stellar spectroscopy.

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