Because different physical processes in the Universe emit light at different wavelengths, each class of objects in the Universe shines most brightly in one or several particular spectral bands. (scienceinschool.org)
However, nature need not be so simple and more than one phenomenological constant may be needed to describe inflation, with additional parameters reflecting different physical processes which might occur during it. (kavliprize.org)
Transitioning from pregnancy to birth subjects the body to dramatic hormonal changes, which affects different physical processes aside from breast milk production. (newkidscenter.com)