Scientists say the newly discovered white dwarf is the most severe and contains the largest mass

White Dwarf

White Dwarf

Approximately 97 percent of all stars perish and formed into a smoldering stellar zombie known as a white dwarf, one of the densest things in the universe. A recently discovered white dwarf is being heralded as one of the most "extreme" of these yet discovered, with a terrifying amount of mass packed into a very compact container.

 This highly magnetic and quickly revolving white dwarf, according to scientists, is 35 percent denser than our sun while having a diameter just slightly bigger than Earth's moon. 

Because of its enormous density, it possesses the largest mass and, counterintuitively, the smallest size of any known white dwarf.


Merely two major types of objects are often more compact than white dwarfs: black holes and neutron stars. The birth of this white dwarf, ZTF J1901+1458, was similarly unique.

 It appears to be the result of two stars orbiting each other in a binary star system. At the conclusion of their lives, these two stars developed into white dwarfs, spiralled toward each other, and fused into a singular entity.

This merging would have resulted in a massive star explosion known as a supernova if there had been just a little more combined mass, according to Caltech astronomer Ilaria Caiazzo, principal author of the study published in Nature. Caiazzo,  it's still possible that it will detonate at certain point down the road.

"This white dwarf is really extreme, We found an object that is really at the limit of how small and heavy a white dwarf could be. It is located relatively nearby in our Milky Way galaxy, about 130 light years from Earth. A light year is the distance light travels in a year - about 5.9 trillion miles (9.5 trillion km), Caiazzo said.




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