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1. Doppler shifts have been used to determine the rate of expansion of the universe. a) Given that a distant star is receding
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A la) a we have 0 C-V a ta 235x 二孖区 Oo 24 XIo m/s = 326 x109 X1.083 27, 21 γ) m-1 Cb We hawe 12 (16(9%2x1 38X1023 11 04 7.6s x 1023 1y 24

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1. Doppler shifts have been used to determine the rate of expansion of the universe. a) Given that a distant star is receding at a speed approximately 8% of the speed of light, determine the shif...
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