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Roughly how much would a teaspoon of neutron star material weigh?
Estimated
Billions of tons
Neutron stars pack more than the Sun's mass into a ball about 20 km wide. Exact figures depend on the star.
About how much of the universe's total energy is the ordinary matter that makes up stars, planets and people?About how old is the universe?What is the cosmic microwave background?What is expected to happen to the Milky Way and the Andromeda galaxy in about 4 to 5 billion years?About how old is the light we see from the Andromeda galaxy?Which black hole was the first to be photographed, in 2019?