Question

what is a light year angstrom unit lunar month and Ieap year​

Answer 1

Answer:

Optical wavelengths are very tiny, and a unit called the Angstrom is often used. One Angstrom is defined to be 10^{-10} meters, and visible light spans the range from about 4000 to 7000 Angstroms (a little less than a factor of two in relative

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