MOON DAY on 21  july

1. Moon
2. The Moon is the Earth's only natural satellite. Although not the largest natural satellite in the Solar System, it is, among the satellites of major planets, the largest relative to the size of the ... 
3. 
   
4. Distance to Earth: 384,400 km
5. Orbital period: 27 days
6. Gravity: 1.622 m/s²
7. Age: 4.527 billion years
8. Circumference: 10,917 km
9. Orbits: Earth

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