Why Are Distant Stars Redder Than Nearby Stars of the Same

question 4

Essay

Why are distant stars redder than nearby stars of the same spectral type

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Definitions:

Stretches

In spectroscopy, refers to the vibrational movements (stretching and bending) of molecular bonds that are studied to identify functional groups in molecules.

C-H Stretch

Refers to the vibration of a carbon-hydrogen bond in infrared spectroscopy, indicating the presence of C-H bonds in a molecular structure.

Stretching Frequency

A measure related to the energy required for bond stretching in molecular vibrations, commonly observed in infrared spectroscopy.

Hexane

A straight-chain alkane with six carbon atoms, commonly used as a non-polar solvent.