Billions of years later, our sun will consume all its fuel and become a red giant, and then, after losing all its layers, all that remains will be a dense core called a white dwarf. This fate is shared by the vast majority of stars in our galaxy.
This white dwarf has two faces
While the mass of the remaining cores of the stars is equivalent to the Sun, their dimensions are only equivalent to the Earth. Recently, however, astronomers have discovered a very unusual example of a dead star: a white dwarf made of hydrogen on one side and helium on the other.
This white dwarf, which has two faces, takes its name from the two-faced Roman god Janus. Discovered using data from the Zwicky Transient Facility at Palomar Observatory in San Diego and the WM Keck Observatory in Hawaii, this white dwarf spins on its axis every 15 minutes. In this way, the researchers had the opportunity to see both sides of the dead star easily.
The surface of the discovered white dwarf exhibits different properties on both sides. Researchers believe this extremely unusual event may be due to Janus going through an evolutionary stage unique to white dwarfs. However, an example of this has not been seen before.
While the researchers stated that some white dwarfs transitioned from hydrogen dominance to helium dominance on their surfaces, it is stated that Janus may have been caught in their observations while at this stage. However, it has not yet been explained why this evolution occurred in this way.
Some scientists attribute this situation, which occurs on the surface of dead stars, to magnetic fields. However, he stated that scientists will continue their research to confirm this. So what do you think about this dead star with two different surfaces? You can share your views with us in the comments section.
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