In the Space Documentary series "Expensive Universe," an intriguing episode titled "Half a Million Dollars for the Moon Dust" delves into the fascinating world of lunar artifacts. The episode reveals the astonishing value of moon dust, exposing the high price it commands in today's market.

The documentary takes viewers on a captivating journey, exploring the origins of moon dust and its significance for scientists and collectors alike. Moon dust is the result of countless meteorite impacts on the moon's surface over billions of years. Its composition provides valuable insights into the moon's geological history and scientific discoveries.

However, with the advent of space missions, acquiring moon dust has become a challenging process. NASA's Apollo missions in the 1960s and 1970s brought back lunar samples, but they are mostly held by the government. This scarcity has driven the price of moon dust to astonishing heights.

The episode highlights the stories of individuals who have managed to acquire moon dust legally, such as private collectors who have purchased moon dust from auctions or astronauts who own moon rock samples. With prices reaching half a million dollars per milligram, moon dust has become an exclusive luxury item.

Furthermore, the documentary sheds light on the controversial cases of illegal moon dust sales and the legal battles surrounding them. Some individuals have faced severe consequences for attempting to sell moon dust without proper authorization.

In conclusion, "Half a Million Dollars for the Moon Dust" is an enthralling episode that exposes the incredible value of lunar artifacts. It showcases the extraordinary lengths people go to possess this rare and precious material, while also revealing the legal and ethical challenges faced in the moon dust trade.