I’ve previously written about dark matter and the direct evidence for it in the form of the Bullet Cluster.
Now, another colliding pair of galaxy clusters is showing the same effect strengthening the case for dark matter as a real thing distinct from normal, baryonic matter, and behaves much like we have predicted.
When you start making non-trivial predictions and confirming them regularly, you’ve got a clue.
Originally published at Mike Brotherton: SF Writer . You can comment here or... read more