One teaspoonful of a neutron star would be as heavy as all humans
Recommended for Middle Grades
Neutron star
What is a neutron star?
Neutron stars are the compressed remains of massive stars after they go supernova. They are the densest “normal” objects in the known universe.
Just a single sugar-cube worth of neutron-star material would weigh 100 million tons here on Earth. This is about as heavy as the entire human population. One ton is equal to 1000 kg.
When giant stars die in supernovas, they create neutron stars. Their cores collapse and the protons and electrons essentially melt into each other to form neutrons.
A neutron star
A nucleon star’s nearly incomprehensible density causes protons and electrons to mix into neutrons. The method that gives such stars their name.
Once shaped, they do not actively generate heat, and cool over time; But, they will still evolve through collision or accretion. Accretion is the accumulation of particles into a massive object by gravitationally attracting more matter.
Most of the essential models for these objects imply that they compose nearly entirely stars of nucleons (subatomic particles with no electrical charge and with a slightly larger mass than protons).
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