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How to Understand Spectra – Part 1
When we look up at the sky we see many thousands of stars twinkling away serenely. In towns and cities many of the stars look almost the same, with the only real difference being how bright each...
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Stellar Spectral Classes – Explained – Updated
As I explained in a previous post about star types there are many varieties of stars; they range from red dwarfs to blue supergiants. As I’m sure you can see these are broad groups with, in some cases,...
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Spectral Classes Part 2 – Special Spectral Classes – Updated
This is an extension to my post: – Stellar Spectral Classes Explained which can be found here. As I previously explained stars can be placed into groups based on distinguishing features in their...
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How to Understand Spectra – Part 2
This post is part of the Young Astronomers Databank Project. In the first part of this guide I looked at the basics of spectra with particular focus on black-body spectra. In this section I will take a...
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