Why is that astronauts have less weight on the moon than they have on Earth?

Astronauts weigh less on the Moon than on Earth due to the Moon's weaker gravitational pull. The Moon's gravity is about one-sixth that of Earth's, resulting from its smaller mass and size. This means that objects, including astronauts, experience less gravitational force, making them feel lighter when on the lunar surface. Consequently, while their mass remains unchanged, the reduced gravity affects their weight significantly.