Why Is Every Nation Interested in the Moon Again?
The interest in the moon stems from the potential of helium-3, a stable isotope of helium, as a future fuel for nuclear fusion power. More than 1 million tons of helium-3 have been deposited on the moon's surface by the solar wind.
Research suggests that the moon's surface contains helium-3 at concentrations ranging from 1.4 to 15 parts per billion in sunlit areas and up to 50 parts per billion in permanently shadowed regions. In comparison, helium-3 in the Earth's atmosphere occurs at just 7.2 parts per trillion.
The prospect of harnessing a clean and efficient form of energy from the moon has sparked keen interest in the scientific community. The moon's surface has accumulated substantial amounts of helium-3 from the solar wind, unlike the Earth, which is shielded by its magnetic field. This isotope could offer a safer nuclear energy source in a fusion reactor, as it is not radioactive and wouldn't generate hazardous waste products.