Moon: It seems to be great name for a joy, so I see more for others is a sofrimento.Não agree, we live it, moon and sun are critical, this is not a lesson more'm explaining something that almost everyone knows: NEED THE MOON! You may prefer the more the sun may not want the moon did not exist, the moon is beautiful too, talking to a lot of moon right? But okay ... The continuing Moon (from the Latin Luna) is the only natural satellite of Earth, standing at a distance of about 384,405 km of our planet. Its maximum perigee is 356,577 km, and its peak maximum is 406,655 km.
According to the last count, over 150 moons populate the solar system: Neptune is surrounded by 13 of them, for 27 Uranus, Saturn has 60, Jupiter is what has hitherto more and has 64. The Moon is Earth's largest whole solar system - Ganymede, one of Jupiter's moons, is the largest [1] - but our Moon remains the largest in proportion to its planet. With more than 1/4 the size of Earth and 1/6 of its severity, is the only celestial body visited by humans and where NASA (acronym for National Aeronautics and Space Administration) intends to implement a permanent basis.
Viewed from Earth, the satellite shows phases and always displays the same face (condition termed as tidal coupling), a fact that generated numerous speculations regarding the popularly and incorrectly named "Dark Side of the Moon", which actually lights up when we're in period called New Moon, correctly named as being hidden side of the moon Its rotation period is equal to the period of travel. The moon is not atmosphere and present, although very low, water in the solid state (in the form of ice crystals). There atmosphere having no surface erosion and Moon remains intact during millions of years. It is only affected by collisions with meteorites.
It is the main responsibility for tidal effects that occur on Earth, then comes the sun, with a smaller share. It can be said from the tidal effect on earth as the tendency of ocean follow the orbital movement of the moon, and this effect causes friction with the bottom oceans, slowing the rotation of the Earth about 0.002 sec per century, and, as a consequence, the Moon moves away from our planet on average 3 cm per year.
The Moon is proportionally the largest natural satellite in the Solar System. Its mass is so significant in relation to the mass of earth that the rotation axis of the Earth-Moon system is far from the central axis of rotation of the Earth. Some astronomers use this argument to state that live in one component of a double planet, but most disagree, given that for a double planetary system is necessary is that its rotation axis lies outside the two bodies.
Entenda!
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