Equinoxes and Solstices of 2011.

2011年的春秋分和冬夏至。

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The Equinoxes and Solstices of 2011 are exceptional powerful and multi purposed.

2011年的分点和至点有着特别的能量和众多的目的。

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Another characteristic of the sun-earth system is the gradual procession of the equinoxes and solstices along the orbit.

日地系统的另一个特点是二分点和二至点沿轨道逐渐运动。

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Although the seasonal equinoxes and solstices seem to divide the year into four equal parts, when you count the days of what we officially call winter, spring, summer and fall, each season is different, says Bing Quock, acting chairman of the Morrison Planetarium at the California Academy of Sciences.

NPR: Not All Seasons Are Created Equal

Notably, every 18.6 years, during the northern lunar standstill, the moonrise is aligned with the sites two rock pinnacles, as well as during the summer and winter solstices, and the fall and spring equinoxes.

WHITEHOUSE: The White House