Jupiter's radiation can be extremely hazardous to human health, and prolonged exposure to it would indeed be fatal. Jupiter is known for its intense radiation belts, which are generated by the interaction of its strong magnetic field with charged particles, such as electrons and ions, trapped in its vicinity.
The radiation belts around Jupiter, known as the Van Allen belts, contain high-energy particles that can pose significant risks to astronauts and spacecraft. These particles include electrons, protons, and other ions that are accelerated to high velocities by Jupiter's magnetic field. The radiation levels in these belts are much higher than those found in the Earth's radiation belts.
If a human were exposed to the radiation levels near Jupiter for an extended period, it could result in severe damage to the body's cells and DNA, leading to acute radiation sickness, increased risk of cancer, and other long-term health effects. The radiation doses in Jupiter's vicinity are orders of magnitude higher than what humans can withstand without appropriate shielding.
Fortunately, Jupiter's radiation belts are confined to its immediate vicinity, and they do not extend far beyond the planet itself. Therefore, spacecraft and robotic missions can be designed to minimize the exposure to radiation by carefully planning their trajectories and using shielding measures to protect sensitive equipment.
In summary, the radiation around Jupiter is extremely dangerous to human health, and prolonged exposure to it would be fatal. Proper shielding and precautions are necessary to ensure the safety of any spacecraft or missions exploring Jupiter and its vicinity.