Cultivation Industry Era

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The night came slowly, but the scene was stunned. Even Liu Xinyu didn't care about the majesty of the empress. She opened her mouth in surprise, her eyes widened, and she looked at the'globe' in front.

Today, everyone finally has the concept of ‘planet’!

It has been more than three hours since the end of the sea trial, and Zhao Dahe spit in the air, talking about his huge discovery.

Using the projection length of noon wooden sticks measured in Taotuzhou and Honglian, combined with the projection length of noon wooden sticks in the country of Qixia, plus some knowledge passed by Zhao Dahe himself, etc. A brand new mathematics knowledge calculation, after repeated proofreading, Zhao Dahe calculated the diameter of the earth for the second time:

The diameter calculated by Zhao Dahe last time was 126,000 kilometers;

This time, Zhao Dahe calculated a diameter of 128,700 kilometers.

The last time Zhao Dahe was calculated according to the records and data of the martial arts, as well as the Zhou Tianxing map, plus Zhang's mathematics, etc.-there are many more. This time, Zhang's mathematics, stick projection, etc. were used for new calculations, some of the divisors and errors were corrected, and a more accurate number was obtained.

The earth has a diameter of 128,700 kilometers, and we live on a star! The area shown by the ground elephant is only about one tenth of the surface area of ​​this star!

Nine tenths of the world is an unknown world!

Zhao Dahe's calculations are very complicated, and there are a lot of calculations, even Huang Mingshan and others help. Huang Mingshan and others have grown into Zhangjia's scientific staff and pillars.

Looking at the three-foot long roll of gastrodia paper, dense calculations and proofs, everyone feels a little dreamy.

Moreover, this time Zhang Shengye did not refute, because compared with Zhang Hao's "random talk", Zhao Dahe proved his conclusion by means of mathematics and various evidences!

Accurate numbers make all languages ​​pale.

The earth beneath our feet is a star, and we ourselves are the people living on the stars! For the planet underfoot, Zhao Dahe and Zhang Hao were named Tianyuan after discussion.

The so-called Tianyuan is the beginning of heaven and earth and the center of Zhoutian. In ancient legends, Zhou Tian 366 stars (Zhang Hao looked at the starry sky and did not know how these 366 stars were counted), but what we have observed is 365 stars. One star disappeared.

All along, there have been many speculations about this disappearing star. One of the guesses is that there is also a "source" star that was not found. Everyone named this star "Tianyuan".

But over the years, many astrologers and even many master practitioners who have studied "Zhou Tiangong" are looking for this "Tian Yuan Xing". As a result... it was at his feet!

Such a result has caused the thinking of countless people on the scene to be knotted, which is too dramatic.

Afterwards, Zhao Dahe made the "globe" and "tianyuan instrument" that he had just made, and carefully adjusted the direction so that the "earth image" on the Tianyuan instrument tilted up. The East is up, the West is sinking.

However, for the time being, Zhao Dahe has no concept of latitude, longitude, arctic circle, and equator. He just made adjustments based on some information he already knew.

But this adjustment is very similar to what Zhang Hao did before.

Zhao Dahe adjusted for a while, and finally took a few steps to check it out before saying to everyone: "Everyone, this should be the location of the map on the ground image, approximate."

Liu Xinyu finally exhaled slowly and said: "I have a question, why are we in the north, not in the south? Since we live on a'planet', why can't we be in the south?"

Zhang Hao smiled: "It's very simple, because we discovered this secret, so we stipulate that we are in the northern hemisphere!"

It can still be... Liu Xinyu blinked a bit dumb for a moment, and finally nodded in agreement. Yeah, we discovered it, of course we were in the northern hemisphere. Traditionally, the north-south direction and the north are expensive; the east-west direction is the east.

But Liu Xinyu still has questions, "Since we live on a planet, why haven't we entered the outside world? What is between each star? How far? Can we reach other stars?"

Zhang Hao looked at the Empress dumbfounded: Thinking of expedition to another planet now? Your ambition is a bit big! Well, ambition is a good thing, it is better than no goal. Having said that, practitioners have a long lifespan, and perhaps Liu Xinyu really conquered the starry sky one day.

However, Zhang Hao couldn't answer the question about Liu Xinyu at the moment-gravitation or something, it is a bit shocking to say now, and it will expose himself.

The discovery of gravitation represents the beginning of human transformation and manipulation of nature. Why water flows low, why people stand on the ground instead of floating into the sky, the secrets of the sun, moon and stars, and so on, all need the key of gravitation.

But to explain gravitation and prove it mathematically, you need geniuses. Unfortunately, Master Zhang remembers a lot of things, but there are more things to remember. He knows gravity, but how to prove it... sorry, I don’t know!

In fact, the use of mathematical methods to prove gravitation is a very complicated calculation, and more complex test data is required. The most important thing is the need for sufficient scientific accumulation.

Zhang Hao will promote the development of the scientific industry, but will not encourage the casual growth of seedlings.

Before gravitation, an important scientific foundation is needed: Kepler's theorem, which is to use mathematical methods to calculate planetary orbits.

Yes, gravitation needs to be calculated from a large place. It needs astronomy and a lot of observations to find traces. Relying solely on observations inside the planet, it is difficult to obtain sufficient data.

So in the face of Liu Xinyu's doubts, Zhang Hao could only shake his head.

Not to mention Zhang Hao shaking his head, even now Zhao Dahe can only shake his head.

As the two shook their heads, the atmosphere was silent again. After a while, Liu Xinyu smiled faintly: "Forget it, if you don't understand, you can't understand, anyway, life continues.

Zhang Hao, what happened today opened my eyes, but to be honest, I still have some doubts. "

"Your Majesty, let alone your doubts, I am also puzzled. But I believe in the data in front of us. Our eyes and senses sometimes deceive us, but the accurately measured and calculated data does not deceive us."

Liu Xinyu nodded slowly, "Exactly, we are still discussing the issue of the year number during the New Year. In the future, we will use "Tianyuan" as the new year number. I think we have this qualification!

This year is the first year of Tianyuan. In the years to come, our year will continue to be the name of Tianyuan forever! "

You also want to be this queen forever. Zhang Hao's heart is a little joking, this is just beginning to have a vague understanding of the world, the Queen's ambition has expanded to this extent.

Everyone gradually dispersed, but Zhang Hao did not ask for secrecy. Because it is not necessary, and the future development of the country of Qixia also requires this kind of geographic knowledge to set the stage.

Other countries are useless even if they know it—the world cannot be explored without a steel battleship! This is the world of spiritual practice, the sea is full of monsters and beasts. Not to mention the ordinary wooden ships, even the wrought iron warships of insufficient quality may not be able to cross the open sea.

Because confidentiality is not required, the news spread throughout the country of Qixia in just a few days. In particular, the emperor officially used ‘Tianyuan’ to mark the year, which caused a huge response.

The legendary Uranus was found, and it was right under our feet-this news alone is enough to shake the world of spiritual practice!

Looking for stars that I haven't found for tens of thousands of years, the result is a real donkey ride.

But then it caused even more shock-we actually live on a star? Or, are we actually living on a planet?

The earth turned out to be spherical? real or fake? Why didn't we fall? What is outside the planet? Are the stars in the sky all planets? The ground beneath us really has a diameter of 128,700 kilometers?

The news spread at an indescribable speed throughout the Western Continent, and then spread quickly. The rest of the nations could not block the exchanges between the Yuan and Infant periods, let alone the exchanges between the Gods and the Gods.

However, the "circle of earth" has spread, but the related mathematical calculations and so on are confidential-the results can be made public, but the process must be kept confidential!

And the best evidence to prove Diyuan said is-lighthouse!

The light of the lighthouse is shining brightly, directly into the sky, especially in this world where the atmosphere is thick and there are many layers of white clouds in the sky. After these white clouds were lit by the light of the lighthouse, they became a sign of a veritable circle.

In relatively clear weather, the clouds are almost attached to the ground when observed from dozens of miles away; and as they approach, the clouds are getting higher and higher.

There is also the highest peak of the country of Qixia, Yuyang Mountain, the former station of Jiuyangzong, and the top of the mountain was first seen from a distance. The morning and evening sunlight will also stop at the top of the mountain.

In the past, there were many explanations for the sunshine in Yuyang Mountain, but only this explanation today is the most convincing. It's just that the response is too big.

But this also triggered more discussion-why didn't we fall? What power is holding us back? Is it... this is the legendary power of stars?

And the more serious question is: since we are on the stars, where is the legendary fairyland? Where is that hell?

The discussion intensified, and the Zhang family took the opportunity to push Zhao Dahe to the front desk, and used this to attract a lot of attention.

This time, Zhang Hao did not use the name of the Ocean Group, but used the name of the Zhang Family. Knowledge must be in your own hands!

In this atmosphere, the Zhang family finally made an important decision: to build an academy. An institution that teaches various scientific knowledge such as spiritual practice, alchemy, industry, commerce, geography, etc., enrolls students in the country of Qixia.

And the Zhang family promised: free education!

School name: Beidou University.

For a time, the country of Qixia became more lively.

(Everyone often says to send me a blade. It's too enthusiastic. I was so moved that I couldn't sleep in the middle of the night.)

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