Spectroscopes are easy and cheap to buy, or even make using a smartphone (see youtube 'build spectroscope').
Spectroscopes can be used to identify the chemical components of the atmosphere (space) through which a known spectrum of light travels.
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ooooooo, immabout to check how to build myself a spectroscope, thank you @lifeworship!
b!
Whenever possible, I like to turn every tool within my knowledge to understand what is happening in the natural world, even the artificial creations contained within.
I would be interested in your results, maybe a post.