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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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