News1 min ago
stars
how many stars within 5 light years of earth
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For more on marking an answer as the "Best Answer", please visit our FAQ.As far as we know right now, only 3... Proxima Centauri @ 4.2LY, Alpha Centauri A @ 4.3LY and Alpha Centauri B also @ 4.3LY ( a double star system) . Barnard's Star is 5.96LY distant... just outside of your parameters... Each of these varies greatly in magnitude... from 11.3 for Proxima Centauri to .33 for Alpha Centauri A... Our own sun, by contrast is -26.9. The faintest stars have the higher numbers, while the brighter ones have smaller numbers with reference to magnitude. Long answer for a short question...