MercuryMercury is the planet that is closer to the Sun as much as possible and thus visible in the sky not far from the position of the Sun. Therefore we noticed mercury during dusk or dawn. We will see the best mercury when it is in a position that is the most distant from the Sun. In addition, occasionally, we can see the mercury. When it's orbit through the front of the Sun.Mercury with axes rotated almost perpendicular to the plane of the Sun khotronopduang. Mercury rotates around itself is very slow rotation around itself 3 times due to Sun khotronopduang orbit of period 2 due to Mercury's strange from other planets rotate around themselves that is very slow. Make the mercury has no atmosphere wrappers, which resulted in mercury surface temperature has changed dramatically since – 183 to 427° c (the minimum temperature in the dark, and the maximum temperature in the Sun) Humans have sent spacecraft to explore the marine mapping and 10 inner surface of mercury for the first time. In 2517 (1974), but because it is much closer to the Sun, so it can only map 45 per cent of the total area.
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