Astronomers have discovered a rare planet that has survived the death of its star, providing new insights into the fate of our own Solar System.

The planet, named WD 1856 b, orbits a white dwarf, the collapsed core of a Sun-like star. White dwarfs are extremely dense and hot, and they gradually cool down over time. As they do, they can strip away the outer layers of any planets that orbit them.

But WD 1856 b has managed to survive this process, and it is now orbiting the white dwarf at a distance of just 1.4 million miles (2.2 million kilometers). This is incredibly close, and it means that the planet is being subjected to intense heat and radiation.

Despite these harsh conditions, WD 1856 b has managed to retain its atmosphere and its liquid water oceans. This suggests that the planet may be able to support life, even after its star has died.

The discovery of WD 1856 b is significant because it provides new evidence that planets can survive the death of their stars. This means that there may be many more habitable planets in the universe than previously thought.

What does this mean for the end of our Solar System?

The Sun will eventually become a white dwarf, and it is likely that it will strip away the outer layers of the Earth and other planets in the Solar System. However, it is possible that some planets, like WD 1856 b, may be able to survive this process and continue to support life.

The discovery of WD 1856 b gives us hope that life may be able to survive the death of our Sun. It also suggests that there may be many more habitable planets in the universe than previously thought.