Within 15 light-years of the sun there are approximately 56 stars, in 38 separate stellar systems. I say approximately for several reasons.
The crash of the whole solar and stellar systems could only kill you once. (T. Darlyle)
The crash of the whole solar and stellar systems could only kill you once.( T. Carlyle )即使整個太陽系和星系崩潰，你也只死一次。
3797 – By this time on Earth killed all life, but mankind will be able to lay the foundations for a new life in another stellar system.
A constellation is a stellar system.
