PhysicsNeutron stars are remarkably smooth thanks to their intense gravity Neutron stars, the remnant cores of stars that have gone supernova, are some of the densest objects in the universe, and their intense gravity means their surface differs in height by less than 0.1 millimetre News
SpaceWhite dwarfs seen eating the remnants of destroyed planets Signs of the metals that make up Earth’s crust have been seen in the light coming from four dead stars known as white dwarfs, which may have consumed distant planets similar to ours News