Changes in obliquity of the ecliptic the Thoughts.doc

Changes in obliquity of the ecliptic the Thoughts Abstract: This article from the obliquity of the ecliptic with the concept of obliquity changes the meaning of existence and the impact are discussed. In particular, changes in obliquity of the ecliptic is the special value when conducted in-depth discussion on the further understanding of obliquity of the ecliptic The role and significance of a guiding role. Keywords: obliquity of the ecliptic; change; thinking The Earth is a common planet in the solar system is a special planet. Ordinary performance of the solar system planets that have common features, special performance of the existence of life on Earth. And the Earth’s rotation and revolution Movement Movement of the obliquity of the ecliptic , the presence of obliquity of the ecliptic and the size of the other planets on the planet do not have the natural phenomena and variation, but also to make the Earth more vitality and mystery. First, the meaning of obliquity of the ecliptic Earth’s rotation axis and its revolution in the orbital plane as 66 34 ‘tilt. This point of time with people to get pencil and pen tilt is similar to the desktop. People Saying the Earth “sideways Body” revolves around the sun. Earth’s rotation with the relationship between revolution, astronomy and geography, on usually the complementary angle (23 26 ‘) - the equatorial plane and orbital plane of the angle to that; on the celestial sphere in the center of the earth, the performance of the ecliptic and celestial equator, the angle, and was known as the obliquity of the ecliptic. The presence of obliquity of the ecliptic, with important astronomical and geographical significance. Obliquity of the ecliptic precession axis is one of the causes; it is as solar day length of the annual variation of the main reasons. Obliquity of the ecliptic is the Earth and five seasons with the distinction between the underlying causes. The presence of obliqui