A galactic smashup might explain galaxies without dark matter
Some scientists are awaiting more evidence before embracing the claim
![image of NGC 1052-DF2 galaxy](https://i0.wp.com/www.sciencenews.org/wp-content/uploads/2022/05/051722_ec_dark-matter-free-galaxies_feat.jpg?fit=1030%2C580&ssl=1)
A galaxy devoid of dark matter called NGC 1052-DF2 (shown) and others like it may have been formed in a collision of two galaxies 8 billion years ago.
Zili Shen, Pieter van Dokkum and NASA