Reporter inquires the relevant data discovery

August 20th news: this year the Mid Autumn Festival, but is a little unusual. An interview with reporters yesterday to know, in 2014 38 year Mid Autumn cheap MLB Fitted Hats Festival is one of the earliest, but also from the National Day late again. In addition, this year's Mid Autumn Festival is still the "fifteen of the sixteen round moon".

Mid Autumn Festival holiday release, many cheap MLB Hats people feel some "strange", "so early? The Mid Autumn Festival is not the next National Day? How to become the teacher's day near?" Reporter inquires the relevant data discovery, the Mid Autumn Festival in 2014, did come much earlier than in previous years. Last year, the Mid Autumn Festival is September 19th 2012; close to National Day, September 30th; before 2009, simply than National Day also be long in coming, is actually the October 3rd.

data query, this year is 38 years the first mid autumn festival. cheap NRL Hats In 1976, Shanghai also in September 8th coincides with the mid autumn festival. However, the future of the Mid Autumn Festival will also have more early, such as the 2033 is the Mid Autumn Festival in September 7th, 2262 is the Mid Autumn Festival in September 5th.

in addition, this year the mid autumn moon is "fifteen sixteen round moon". The reporter understands, the next few years, the Mid Autumn Festival is not in the "fifteen circle", the next at least until September 21, 2021. Interestingly, statistics show, from 1951 to 2050 100 years, fifteen of the sixteen round of the moon 48 times, fifteen round when there are 39 times, seventeen round when there are 13 times.

that is to say, a hundred years, the sixteen round of the most majority number.

why the moon is not the same time every year? Experts say, many factors caused this deviation. The main points, one is the moon in orbit around the earth is not a perfect circle, it is oval, near and far points, the angular diameter of the moon will change. The two is the revolution cheap NFL Hats of the moon's orbit plane is not fixed, the ellipsoidal arch line, along with the revolution direction of the moon moves forward, the mobile has also led to the time is cheap NHL Hats not a full moon.