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Estrelas de nêutrons têm montanhas com menos de 1 milímetro de altura
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“Mountains” on Neutron Stars Only Fractions of Millimeters Tall Due to Intense Gravity
Incredibly dense stars weigh as much as our sun but only the size of a city.
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The research is presented today at the National Astronomy Meeting 2021.
Neutron stars are some of the densest objects in the Universe: they weigh about as much as the Sun, yet measure only around 10km across, similar in size to a large city.
Because of their compactness, neutron stars have an enormous gravitational pull around a billion times stronger than the Earth. This squashes every feature on the surface to miniscule dimensions, and means that the stellar remnant is an almost perfect sphere.