By analyzing the velocity dispersion of the lensing galaxy, researchers estimate that dark matter constitutes about 11% of the mass within the Einstein radius of NGC 6505. This fraction ...

Einstein rings share their name with ... Additionally, because Altieri’s lens has a radius smaller than NGC 6505, the team was able to investigate the composition and structure of the galaxy's ...

The Stokes-Einstein equation is a fundamental relation in physics that describes the diffusion of spherical particles through a fluid with low Reynolds number. It relates the diffusion coefficient (D) ...