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The study of the large-scale structure, history, and future of the universe. Cosmology is about asking and answering questions about the "big picture" - the extent, origin, and fate of everything we know.

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As space expands, should the Planck length too?

e=hf we observe that em waves lose energy the farther away they come from as an increase in wavelength. we observe e=h(Δf) where f is a function of wavelength and the speed of light. Plank's constant …
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