40 things about the Moon


1. The Moon is the only natural Earth satellite and its closest heavenly body;

2. The average distance to the month is 384,400 km; the moon's orbit around the Earth is not circular but oval, so the Earth-Moon distance varies from 363,300 (perigee) km to 405,500 km (apogee);

3. The Moon's mass is 7,347 x 1022 kg and its diameter at the equator is 3,474 km, that is, it is about 80 times lighter and almost 4 times smaller than the Earth;

4. The moon performs a complete rotation around the earth in 27 days, 7 hours, 43 minutes and 11.6 seconds; this month has 4 phases: the new moon, the first square, the moon full and the last square, which is repeated in 29 days, 12 hours, 44 minutes and 2.8 seconds, the interval called "the moon";

5. There are several theories on the formation of the Moon; the most popular of them says that the Moon was formed by the impact of a planet of Mars and Earth, about 4.3 billion years ago; Other theories say: The moon was formed at the same time as the Earth; separated from Earth immediately after its formation; was formed elsewhere and was attracted by the gravitational field of the Earth;

6. The Moon's Attraction to Earth is falling at a very slow pace; so, billions of years ago, the gravity was strong enough that the moon was rotating around its own axis; the gravitational attraction grew weaker and the Moon was turning slower until it stopped; so the moon is only with a part directed towards the Earth, and the expression "the dark side of the moon" is incorrect because the sunlight falls across the moon's surface during the revolutions;

7. According to the measurements made by the Lunar Laser Ranging Experiment, the Moon moves away from Earth by 3.8 cm per year; it is estimated that in 50 billion years the moon will be at a distance twice as great as it is today; of course, it is assumed that the Sun will swallow the Earth in about 5 billion years, so probably this will not happen;

8. Like the other four terrestrial planets (Mercury, Venus, Earth, Mars), the Moon is made up of rocks and metals; its surface is full of impact craters and volcanic cones;

9. The moon has a very thin atmosphere, almost non-existent, so heat is not retained and the surface temperature varies from 134 to -153 degrees Celsius; also a layer of dust or trace can remain unchanged for millions of years;

10. Scientists say the moon is very likely to have a very small nucleus (1-2% of the mass) of about 680 km in diameter; it is supposed to be composed largely of iron but also contains sulfur and other elements;

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11. The Moon is the largest natural satellite in the Solar System reported in its magnitude and the planet it orbits; is the fifth largest satellite in the Solar System;

12. The gravity exercised by the Moon is the producer's responsibility

the flow and the reflux of the seas and oceans; The moon is also guilty of "elongation of time", causing a gap of 2 milliseconds every 100 years;

13. The moon is the only alien object that man has managed to land; (1969), Alan Bean (1969), Alan Shepard (1971), Edgar Mitchell (1971), Neil Armstrong (1969), Edwin Buzz Aldrin , David Scott (1971), James Young (1971), John Young (1972), Charles Duke (1972), Eugene Cernan (1972), Harrison Schmidt (1972, the last man to step on the Moon);

14. The moon and its phases have brought great influences over time: the development of calendars, art and mythology;

15. In ancient times, some people believed that the moon was, like the Sun, a ball of fire, and others thought it was a mirror reflecting the waters and land of the Earth;

16. Apollo missions (1969-1972) brought over 380 km of lunar rocks to the Earth in order to better understand the geology and origin of the Moon;

17. The first man in the world to measure the Earth-Moon distance was the Greek astronomer Hipparchus (190-120 BC); it only lagged 26,000 km away, an error of only 6.8%;

18. The legendary scientist Galileo Galilei was the first person to make scientific observations on the moon, describing the surface as mountainous and not plain, as previously thought (1609);

19. The many cones on the surface of the Moon indicate that more than 3 billion years ago, there was volcanic activity on the Moon;

20. The moon seems to be of the same magnitude as the Sun due to an amazing concission: The Sun is 400 times the Moon, but it is 400 times farther;

21. Gravity on the Moon's surface is only 17% of gravity on Earth; so a 100kg man would weigh 17kg on the moon, could jump six times and carry 6x more heavy objects;

22. Although it is quite confusing, the only name for Earth's moon is ... the moon; this is explained by the fact that when the astronomers gave it the name of the moon, they did not know that there were any more orbiting around other planets; therefore, our moon differs from others by capitalization;

22. NASA scheduled for 2019 a new monthly human crew mission; they also plan to build a permanent monthly base;

23. If it were possible to reach the car by the moon, the journey would take about 130 days;

24. It is assumed that the Pacific Ocean basin is the place where the moon split; a strange coincidence makes the volume of the Moon roughly the same as that of the Pacific Ocean, which reinforces the theory of detachment;

25. With the help of the Moon, the Easter is calculated: the first Sunday after the first Saturday after the first full moon after the spring echinoctium;

26. In the popular cultures of the world there are fables according to which the moon is made of cheese;

27. The moon, like any cold heavenly body, does not shine, but reflects the light from the Sun as a mirror;

28. Due to the very thin atmosphere, the traces left by Apollo astronauts should remain intact for at least 10 million years;

29. The moon does not have a magnetic field, so the compass is useless on the moon;

30. Although many American flags have been symbolically lying on the surface of the Moon, no country in the world has the right to claim the surface of the Moon; in 1967 the Cosmic Space Treaty was signed, which stipulates that the Moon is under the same jurisdiction as international waters; the treaty prohibits military weapons and equipment on the Moon's surface; according to the treaty, any country in the world has the right to peaceful exploration of the Moon;

31. Since 2004, Japan, China, India, the US and the European Space Agency have sent probes to the Moon; one of the mission's results was the discovery of frozen water in the craters of poles;

32. The surface of the Moon is covered by regolith; darker dark spots on the surface of the moon, known as large, are caused by the high concentration of basolite in the regolith;

33. Scientists predict that a permanent station will be built per month around 2040;

34. The first ship that landed on the Moon was Luna 2 in 1959; this gave the start of a new era in exploring space;

35. Immediately after training, the Moon was three times closer to Earth;

26. In the popular cultures of the world there are fables according to which the moon is made of cheese;

27. The moon, like any cold heavenly body, does not shine, but reflects the light from the Sun as a mirror;

28. Due to the very thin atmosphere, the traces left by Apollo astronauts should remain intact for at least 10 million years;

29. The moon does not have a magnetic field, so the compass is useless on the moon;

30. Although many American flags have been symbolically lying on the surface of the Moon, no country in the world has the right to claim the surface of the Moon; in 1967 the Cosmic Space Treaty was signed, which stipulates that the Moon is under the same jurisdiction as international waters; the treaty prohibits military weapons and equipment on the Moon's surface; according to the treaty, any country in the world has the right to peaceful exploration of the Moon;

31. Since 2004, Japan, China, India, the US and the European Space Agency have sent probes to the Moon; one of the mission's results was the discovery of frozen water in the craters of poles;

32. The surface of the Moon is covered by regolith; darker dark spots on the surface of the moon, known as large, are caused by the high concentration of basolite in the regolith;

33. Scientists predict that a permanent station will be built per month around 2040;

34. The first ship that landed on the Moon was Luna 2 in 1959; this gave the start of a new era in exploring space;

35. Immediately after training, the Moon was three times closer to Earth;

36. The moon is not spherical, but has the elliptical shape;

37. Although the word "lunatic" is derived from the word "moon," and many believe that the Moon crazy some, there was no connection between the Moon and certain mental illnesses;

38. In Australia the moon is seen opposite than in North America;

39. If we speak on the surface of the moon, nothing would be heard because there was no air, so the sound would not be able to propagate;

40. The moon revolves around the Earth at a speed of 3,683 km / h;

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