A 450 nm b 500 nm c 1 micron d 2 microns 4 rela0vis0c

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Unformatted text preview: eeman and Company i- Clicker A Galaxy recedes from us at a speed of 0.9c. If a star emits blue light (450 nm wavelength), what is the wavelength observed by a spectrometer on Earth? A)  450 nm B)  500 nm C)  1 micron D)  2 microns 4 Rela0vis0c Velocity Addi0on 5 Space- 0me Intervals ©...
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