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It’s fortunate that the magnetic field around a lightsaber can protect its wielder and keep the blade stable, because the weapon contains an immense amount of power. As revealed in “Star Wars: Episode VIII – The Last Jedi,” these iconic lightsabers are extremely, extremely hot. One notable scene where Rey (Daisy Ridley) uses her lightsaber to cut through stone suggests that if the saber operates solely through heat, then its temperature could be 3.7 times hotter than the surface of the sun—approximately 37,000 degrees Fahrenheit. The fact that this staggering heat is contained within the magnetic field without causing discomfort to the wielder’s hands speaks volumes about the kyber crystals’ incredible power.
Understanding this immense temperature helps us grasp the sheer destructive capability of a lightsaber. The heat encapsulated within the blade’s magnetic field explains its ability to easily cut through most materials and cauterize any wound it inflicts. While the magnetic field holds the plasma in place, it doesn’t stop the plasma from interacting with physical objects, enabling the user to effectively slash or stab as needed. The drastic temperature difference between the inside and outside of the containment field suggests that being struck by a lightsaber would be akin to being pierced by the heat of almost four suns, while parts of the victim’s body left outside the containment field remain untouched.
However, it’s important to remember that all of this speculation rests on the idea that lightsabers adhere to the principles of real-world science and logic, which they decidedly do not. “Star Wars” includes numerous nonsensical lightsaber rules, and the presence of the Force further complicates matters, making lightsabers a beloved sci-fi element that perhaps shouldn’t be scrutinized too deeply.
Source: MovieWeb
