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4. Our nearest neighbor among the stars (aside from our own Sun) is Proxima Centauri, which is located 4.3 light years away. Find the: (a)

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4. Our nearest neighbor among the stars (aside from our own Sun) is Proxima Centauri, which is located 4.3 light years away. Find the: (a) Distance to Proxima Centauri in kilometers. (4.07x1013km) (b) Time in years it would take our fastest currently imagined spacecraft (maximum speed of 3.0x105 m/s) to reach Proxima Centauri. (~4300 years)

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