Laboratory of Astrophysics

 

This picture shows the early stage of the build up of a simulated very small galaxy, about 200 mega years after the Big Bang. The blue-grey colours trace the gas while the yellow one corresponds to the stars.
The numerous visible bubbles result from the explosions of the first dying stars.

Ref: Computational issues in chemo-dynamical modelling of the formation and evolution of galaxies by Yves Revaz et al.