Lunar Embassy owner Dennis Hope says he claimed the entirety of the moon in 1980, and millions of people already have certificates saying they own lunar land. But though moon deeds might make cute novelty gifts, sadly for would-be space settlers, there’s no evidence they’re in any way valid legal documents. While the isotope barely exists on Earth, the moon is estimated to hold more than one million metric tons of Helium-3. Moon water, found in the form of tiny ice pellets, can in theory be converted into rocket fuel, allowing space-traveling vessels to gas up on their way to farther destinations like Mars. Now governments and private companies are reportedly scrambling to be best-positioned to mine rare earths and other resources, as the race to master the moon blasts off.