What is white dwarf?
White Dwarf is actually a star who has consumed all his fuel ie nuclear fuel and is now moving towards extinguishing. In this situation its outer layers are over. Similarly, our sun will also turn into a red gathering shell with fuel ending one day and then shrink will take the form of white dwarf. The future of many planets around will depend on how much its size will increase. Meaning it can swallow planets like Mercury, Venus etc. So will the Earth also fall prey to it?
A study by the University of California has been published in Nature Astronomy. It says that as soon as the sun starts taking a very large shape, it will start pushing the planets of the solar system away from their existing orbit. For this reason, the Earth will also move far away from it, which will increase the chances of its survival. Scientists are saying that the earth may remain fit for some more billions of years. What will be its position at the time of sunlight forever, it cannot be confirmed.
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