Neutron stars are incredibly dense; a teaspoon of neutron star material would weigh approximately _______ on Earth.
- 1 ton
- 100 tons
- 1 billion tons
- 1 trillion tons
Answer: 1 billion tons
Neutron stars have densities of ~10^17 kg/m³. A cubic centimeter (teaspoon-sized) would weigh roughly a billion metric tons due to degenerate neutron matter.