10 Facts about Moon
10 Facts about Moon: 1. The Moon is drifting away from the Earth: The Moon is moving approximately 3.8 cm away from our planet every year. It is estimated that it will continue to do so for around 50 billion years. By the time that happens, the Moon will be taking around 47 days to orbit the Earth instead of the current 27.3 days. 2. The Moon has only been walked on by 12 people; all American males: The first man to set foot on the Moon in 1969 was Neil Armstrong on the Apoll o 11 mission, while the last man to walk on the Moon in 1972 was Gene Cernan on the Apollo 17 mission. Since then the Moon has only be visited by unmanned vehicles. 3. The Moon has quakes: These are caused by the gravitational pull of the Earth. Lunar astronauts used seismographs on their visits to the Moon and found that small moonquakes occurred several kilometres beneath the surface, causing ruptures and cracks. Scientists think the Moon has a molten core, just like Earth. 4. The first s...