neutron star, n.All

Neutron stars are dense --- just a bowlful of neutron star material has more mass than the Moon

A Neutron star is dense — a teaspoonful would weigh 6 billion tons

Neutron stars can spin at a rate of 600 rotations per second

Neutron stars are so dense that just a sugar cube of one would weigh about one hundred million tons on Earth

A neuron star is as dense as stuffing 50 million elephants into a thimble.

Neutron stars are the leftovers from the death of massive stars in supernova explosions

Neutron stars are so dense that a soup can full of one would have more mass than the Moon