"Herbert Glazier" a écrit dans le message de groupe de discussion :
...


All medium stars have the same history.All have rock planets orbiting,and
gas.some have same strenth of gravity of Earth.Thus they are in same time
zone for life.First microbe then higher and higher.Once 25,000 years they
are class III A life that now is so far advanced its sci-fiction to
us.Trebert

Not sure

Because

The first stars had only hydrogen.

The stars with systems are second generation stars.

The first generation stars must live and explode for produce the others
chimical elements. Their times of lifes are very different.

In the univers we observe stars at all ages