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Neutron Stars Have Mountains That Are Less Than a Millimetre Tall Share An artist s depiction of a neutron star. (Image: ESO / L. Calçada) A team of astrophysicists recently used new models of neutron stars to map the mountains tiny raised areas on the stars’ otherwise perfectly spherical structures. They found that the greatest deviations were still extraordinarily small due to the intense gravitational pull, clocking in at less than a millimetre tall. Neutron stars are the dead cores of once-huge stars that collapsed in on themselves. They are the densest objects in the Universe aside from black holes. They’re called neutron stars because their gravity is so intense that the electrons in their atoms collapse into the protons, forming neutrons. They’re so compact that they pack a mass greater than that of our Sun into a sphere no wider than a city.

Nils anderssonFabian gittinsUniversity of southamptonRoyal astronomical society national astronomy meetingRoyal astronomical societyNational astronomyநில்ஸ் ஆண்டர்சன்பல்கலைக்கழகம் ஆஃப் சவுத்தாம்ப்டன்அரச வானியல் சமூகம்தேசிய வானியல்