Yes and also in gravitational lensing. The most famous example of this is the Bullet Cluster [1], which displays a pattern of lensing that doesn’t line up with

Yes and also in gravitational lensing. The most famous example of this is the Bullet Cluster [1], which displays a pattern of lensing that doesn’t line up with the distribution of light (visible matter) but does line up with where we might expect dark matter to end up after a collision. [1] https://en.wikipedia.org/wiki/Bullet_Cluster https://en.wikipedia.org/wiki/Bullet_Cluster