18000 yearsAlpha Centauri is 44 light-years away or nearly 40 trillion kilometers. A spaceship is headed toward Alpha Centauri at 0999c. Alpha Centauri Wikiwand Going away from her faster than 99c but slow than c. . Proxima Centauri is slightly closer at 425 light years. That is more than 256 trillion miles or approximately 266000 astronomical units or AUs. On this scale the distance to Alpha Centauri is 136 kilometers 8 miles. Its actually more like 42479700000000 km if. Now change the perspective again. Thats the fraction of lightspeed you want. The nearest star is Alpha Centauri at a distance of 43 light-years from Earth. The Alpha Centauri system is estimated to be at a distance of roughly 44 light-years from our solar system. The nearest star system to ours is Alpha Centauri which is 413 1013 km away. Take the distance to Alpha Centauri - 436 light years - and divide by 100 years. Com...
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