What does a white dwarf mean after discovering the strangest body in the universe?


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Cairo – Samia Sayed – Astronomers have discovered the smallest dying star so far, but at the same time the largest in terms of mass ever, which was formed when two white dwarfs merged to form the most exotic and extreme white dwarf in the universe at all.

Scientists said that this merger created an object so dense that it contains 35% more mass than our sun in an object about the size of our moon, which is located 130 light-years away in the constellation Aquila, but what white dwarf was discovered and why is it called this name ?

According to the British newspaper, “Daily Mail”, a white dwarf is the remains of a small star that has run out of nuclear fuel, for example, when stars such as the Sun reach the end of their life, they deplete their fuel, expand as a red giant and then later expel their outer layers into space, What remains is the very hot and dense core of the former star, which is called a white dwarf.

White dwarfs have the mass of the Sun, but they are roughly the radius of Earth, which means they are incredibly dense. The gravity on the surface of a white dwarf is 350,000 times the gravity on Earth, and it becomes extremely dense because its electrons collide with each other.

The recent discovery of the strange dwarf was also made by the Zwicky Transit Facility (ZTF), which operates at Caltech’s Palomar Observatory, with the help of two telescopes in Hawaii, one on the island of Maui and the WM Keck Observatory in Monakia.

White dwarfs are the collapsed remnants of stars that were once eight times the mass of our Sun or lighter in weight. About 97 percent of all stars become white dwarfs.


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