why is a blue star hotter than a red star?? Science!?

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2007-03-22 13:42:49 · 3 answers · asked by Anonymous in Science & Mathematics ➔ Physics

A HOTTER STAR EMITS MORE ENERGY.
MORE ENERGY MEANS MORE FREQUENCY AND LESSER WAVELENGTH. SO A HOTTER STAR APPEARS BLUE

2007-03-22 13:53:52 · answer #1 · answered by dheeru 2 · 0⤊ 1⤋

Blue light has a shorter wavelength than red light.
Shorter wavelengths mean more energy.
More energy means more heat.

2007-03-22 13:46:32 · answer #2 · answered by morningfoxnorth 6 · 1⤊ 0⤋

blue light has a shorter wavelength than red light
shorter wavelengths have More energy

2007-03-23 07:39:32 · answer #3 · answered by 22 4 · 0⤊ 0⤋