From the start, this book makes clear that matter and energy
aren’t always bound by Newton’s theory of gravity. It covers particle forces,
quantum theory, and Hubble’s studies on electromagnetic waves in space. Then there’s
the Doppler shift, the principal on how wavelength and frequency change
depending on the direction of the source. Excellent diagrams are included as
well, but some more case studies or examples of these theories and principals
would be welcome. It goes into depth, thankfully, on the subject of dark matter
and electromagnetic waves.
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