Our sun will run out of fuel in the distant future and become a white dwarf after experiencing the red giant phase. Astronomers at WM Keck Observatory in Hawaii have discovered a distant planetary system that is similar to the future fate of our solar system. The star system has a gas giant similar to Jupiter, and the distance from the star is similar to Jupiter.
The giant Jupiter-like gas orbits a white dwarf near the center of the Milky Way. Astronomers say this discovery confirms that planets orbiting far enough away from their host star can survive the death and expansion of the star. Scientists describe the newly discovered solar system as similar to our own solar system, and its findings suggest that Jupiter and Saturn may have survived the red giant phase of the sun.
The co-author of the research report, David Bennett, said that because the Earth is closer to the sun than Jupiter, it has no chance of survival. However, he believes that if humans move to a moon of Jupiter or Saturn before the earth is destroyed, we will stay in orbit around the sun. However, in that distant future, humans will also not be able to rely on the heat generated by white dwarfs for a long time.
The sun is a main sequence star, and when its nuclear fuel runs out, it will eventually become a white dwarf. When a star burns all the hydrogen in its core, it will first expand into a red giant star, which will destroy planets that are too close to the star. After the red giant phase, the star will collapse on itself and become a white dwarf.
A white dwarf is a hot and dense core, usually only the size of the Earth, carrying half the mass of the sun. White dwarfs have no fuel and cannot burn as brightly as the sun, so they are weak and difficult to spot. Astronomers at the Keck Observatory used the laser guide star adaptive optics system and the observatory’s near-infrared camera to observe the target solar system. The mass of the discovered white dwarf is about 60% of our sun, and the mass of the gas giant is about 40% higher than that of Jupiter.