Astronomers have discovered an Earth-like planet whose sun has died. The mass of this dead star is half the mass of our Sun. Research on the newly discovered planet can help us understand the evolution of our solar system and the changes taking place on Earth.
This sun will turn into a red giant star in about five billion years. If it does, it will engulf many planets, including Earth.
The white dwarf star, a star smaller than our Sun, is located 4,000 light-years away in our Milky Way galaxy. The research, published in the journal Nature Astronomy, may help us understand various aspects of the evolution of our solar system.
The Earth-like planet discovered by experts has an orbit twice as large as our orbit around the Sun. This gives us a better idea of the changes in our solar system after billions of years.