Gravity doesn’t leak into large, hidden dimensions

Observations from neutron star smashup challenge some theories that include unknown realms

neutron star merger illustration

3-D VISION  Light and gravitational waves from a recent neutron star merger (illustrated) suggested that there are only three large dimensions of spacetime into which gravity can penetrate.

Fermilab

When it comes to the dimensions of spacetime, what you see may be what you get.