(a) The distance to a star is approximately 5.59 ✕ 1018 m. If this star were to burn out today, in how many years would

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answerhappygod
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(a) The distance to a star is approximately 5.59 ✕ 1018 m. If this star were to burn out today, in how many years would

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(a) The distance to a star isapproximately 5.59 ✕ 1018 m. If thisstar were to burn out today, in how many years would we see itdisappear? (years)
(b) How long does it take sunlight to reach Earth? (minutes)
(c) How long does it take for a microwave radar signal to travelfrom Earth to the Moon and back? (The distance from Earth to theMoon is 3.84 ✕ 105 km.) (S)
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