A Heavy Baryonic Galactic Disc

Understand

We investigate the possibility that the observed rotation of galaxies can be accounted for by invoking a massive baryonic disc with no need for non-baryonic dark matter or a massive halo.

• There are 5 primary reasons for suggesting this: 1.
• there are well known disc surface mass density distributions that naturally produce the observed rotation curves of galaxies.
• 2.