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And on the scale of the universe as a whole, energy continually decreases. Expansion entails increase of the wavelength of all light, which implies decrease in
by leephillips 4y ago
And on the scale of the universe as a whole, energy continually decreases. Expansion entails increase of the wavelength of all light, which implies decrease in energy.
- kgwgk 4y agoI don’t think the answer is so clear for the universe as a whole. The energy of the photons decreases due to the expansion - but the expansion can have other additional effects.
- eli_gottlieb 4y agoEnergy doesn't decrease. Entropy increases.