It seems there might be some confusion or misinformation in your statement. The idea that Jupiter would take the place of our Sun if it were to fail is not accurate. Jupiter is a gas giant planet in our solar system and does not have the capability to become a star.
In our solar system, the Sun is a main-sequence star, primarily composed of hydrogen and helium. It generates energy through nuclear fusion in its core. Jupiter, on the other hand, is a planet composed mostly of gas and lacks the mass and conditions necessary to sustain nuclear fusion. Even if the Sun were to fail, Jupiter would not suddenly transform into a star to take its place.
It's important to note that the Sun is vital for the stability and existence of our solar system. Its gravitational pull keeps the planets in their orbits, and its energy provides heat and light necessary for life on Earth. If the Sun were to fail or run out of fuel, it would have significant consequences for our solar system, but the scenario of Jupiter replacing it as a star is not scientifically accurate.