<img src=”https://naked-science.ru/wp-content/uploads/2025/01/mass_white_dw.jpeg” alt=”Scientists have discovered a record-breaking star — a pulsating white dwarf”/>When a star with a mass like the Sun runs out of nuclear fuel and sheds its outer shells, an extremely dense core is formed — a white dwarf. As a rule, the mass of these stellar remnants, surrounded by a thin hydrogen or helium shell, does not exceed the Sun’s. But recently, astronomers have discovered a “pulsating” record-breaker among them.