omarionclark56211 omarionclark56211

14-02-2024
Physics

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Proxima Centauri is a nearby star. Due to lookback time, we see it as it was 4.2 years in the past. How far away is Proxima Centauri?
1) 1.2 light-years
2) 4.2 light-years
3) 7.2 light-years
4) 10.2 light-years

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