The bright areas are where dark matter is most concentrated, and it's here that galaxies form.
⇑ Translate the sentence above by Google ⇑
Related: galaxy
Prev: According to previous speculation, these strands were gases that had been blown out by an explosion in the galaxy.
Next: A landmark in the history of science was made by a photo which was taken on April 10th about the black hole in a faraway galaxy.