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After all the trouble, due to turbulence, the real star may not even reveal the true quality of your telescopes or give you perfect collimation. An artificial star will provide you with an excellent alternative means to do the star test anytime and anywhere you want, without all the drawbacks of real stars.
This map shows all the star systems that lie within 12.5 light years of our Sun. Most of the stars are red dwarfs-stars with a tenth of the Sun's mass and less than one hundredth the luminosity.Roughly eighty percent of all the stars in the universe are red dwarfs, and the nearest star-Proxima-is a typical example.his dim red dwarf is the nearest star to the Sun, and it is a member of the Alpha Centauri system despite lying 0.24 light years from the main pair of stars, requiring over one million years to orbit them. Proxima was discovered in 1915 by Robert Innes and was at that time the least luminous star known.