August 2011
Beginner
256 pages
8h 15m
English
Content preview from The Manga Guide to the Universe
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151
If the Universe Is Expanding...
Please do!
Have you all done a
flame reaction test in
chemistry class?
Hmm, did I do
that?
This is the phenomenon that occurs when a
substance is placed in a flame and the color
varies according to the chemical elements
that are contained in the substance.
Does the spectrum differ much depending on the star?
Salt is yellow since it contains sodium,
and copper is blue-green.
Salt is
yeow
Coer is
blue-grn
That’s right. The chemical elements emit or absorb light with specific
wavelengths according to their structures. Therefore, if you use a prism
to separate the light emitted by a heavenly body according to wavelengt ...
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I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.