However, the model predicts that a universe with a higher dark energy density could achieve a star formation efficiency of 27%. This suggests our Universe, while life-supporting, may not maximize ...

Caption How the same region of the Universe would look in terms of the amount of stars for different values of the dark energy density. Clockwise, from top left, no dark energy, same dark energy ...

Physicists have proposed a solution to a long-standing puzzle surrounding the GD-1 stellar stream, one of the most well-studied streams within the galactic halo of the Milky Way.