Chapter 412

Everyone is happy!

Instead, many people don't quarrel!

They began to focus on the lottery

At this time, Sha wending said, "big guy, what a nice man Lao Ding is. So are you. Do you have the heart to make Lao Ding sad?"

Many people echo!

Many people in the barrage have also eased some!

Different from the last time, although 300000 attention was lost this time, the barrage atmosphere was obviously alleviated!

Not so fierce!

Ding zhaotian silently drew such a pile of 999 yuan red envelopes!

It's small, but compared with some small outdoor anchors, 999 is not small!

In addition, you can participate in the lucky draw without cards and gifts, so it has attracted an unprecedented number of people.

The barrage audience, Tianyu, has 28.7 million people, and the overseas side will follow up immediately. I hope Ding zhaotian will draw a lottery!

Ding zhaotian thought about it and drew 2000 $100

All of a sudden, Tianyu and the global comprehensive live broadcast are lively!

It seems that this matter has been covered gradually. At least for the time being, the discussion barrage of lottery and the barrage of prayer winning have covered the barrage of reprimand!

But Ding zhaotian doesn't know what will happen if this goes on.

But the storm is still there, and those people are still there!

Old captain Jin was still there, but he didn't have a direct conversation with Ding zhaotian or look at the barrage, but paid attention to his crew!

The killer whale, Ding zhaotian and the crew didn't move at all. They were all taken away by the old captain Jin and his dozens of men.

Ding zhaotian is concerned about the lottery!

He closed his eyes carefully, and then clicked the pause of the lottery software program.

In several batches, so many 999 yuan red envelopes were drawn out!

……

The wind and rain suddenly became strong!

Look, this shelter is really a treasure land!

If you leave here, you must stand unstable!

The whole beach, the waves rolled up, just like snowflakes. What a magnificent view!

The scenery makes people feel excited. It seems that there is a trace of trouble. It is also shocked by the waves hitting the boulders and the amazing work of nature!

Looking at the distant scenery, we couldn't help feeling shocked and relaxed.

However, no one wants to see it in person, because the wind is very sharp and can't be resisted!

Ding zhaotian looked at the latitude and longitude.

The current dimension is 7 degrees, almost equal to the zero degree equator!

The fat man came and asked Ding zhaotian, "what are you looking at?"

Ding zhaotian had nothing to hide, so he said, "I see latitude and longitude!"

The fat man said, "it should be 0 degrees near us, equator!"

Someone asked, "shouldn't the equator be 100 degrees?"

Immediately a group of people retorted: "you idiot, 100 degrees is boiling water!"

Everyone laughed!

Ding zhaotian said: "longitude is the abscissa of the earth's coordinates. From the south pole to the north pole, you can draw many north-south circles perpendicular to the earth's equator, which are longitude circles! The line segments that make up these circles are longitudes! There is a Greenwich Observatory in the suburb of London, Britain, where is the starting point for calculating longitude! That is, the primary meridian!"

Many people say they have long knowledge!

Ding zhaotian then said, "the longitude in the East is the east longitude, which is 180 degrees, and the west longitude is 180 degrees! The earth is a sphere, so the east longitude 180 degrees coincides with the west longitude 180 degrees!"

The fat man scratched his head and said, "so, is it called the East Sutra or the West Sutra?"

Zhao Dingbang said, "it's like zero is also called 24 o'clock!"

Ding zhaotian said: "it is recognized that this place is called the international date change line!"

Someone in the barrage asked, "then why are some degrees negative? I think it's like this on the globe!"

Ding zhaotian said, "the north latitude is positive and the south latitude is negative. That's the latitude, which corresponds to the longitude!"

Everybody nod!

Sha wending said, "these should be geography knowledge in primary and junior middle schools?"

Everyone laughed and said, "it's all back to the geography teacher!"

Ding zhaotian said: "According to international regulations, which longitude of the original address of the Greenwich Observatory is positioned as zero degree, the east longitude is e, and the west longitude is w, which is the first letter of English words! Different longitudes have different local time, that is, time difference! For example, the difference between China and the United States is about 8 hours! From west to East, the longitude is from small to large, from east to large Getting smaller is the West Sutra! "

The fat man scratched his head and said, "I'm fucking more and more confused!"

Ding zhaotian said, "go and check your network knowledge! For more than 17 years, British relevant personnel once offered a reward of 20000 pounds in the hope that someone could solve the problem of latitude and longitude at sea! Later, it was given by a man named Harrison and won a bonus!"

The fat man said, "did you give him the twenty thousand pounds?"

Sha wending said, "not only did you give it, but also other awards?"

Ding zhaotian nodded and said, "this longitude can be divided in detail. Needless to say, it once had 60 minutes and one minute had 60 seconds, which is similar to the clock. Therefore, a longitude is often written like this, 23 degrees and 21 minutes west longitude!"

The barrage said, "old Ding is erudite and talented!"

"What, this is junior high school geography!"

"So, 1 longitude, how many meters is it?"

"What do you mean?"

"Different? I mean, each longitude should have a different span!"

Li Dongyi said, "yes, navigation and aerospace people all know. Common sense! How big is the north pole and how long is the circle of the equator? But it is divided by 360 degrees of longitude. What does that mean? It means that each longitude represents different regions at different latitudes!"

Everybody nod!

Many people lead God.

At this time, Ding zhaotian said: "I explained that an equatorial circle is 360 degrees. There are 24 hours a day, so the earth rotates 15 degrees per hour! Because it is disassembled in 24 hours, 15 degrees per hour is exactly 360 degrees. Therefore, we can roughly infer the distance and time difference between our Yellow Sea city and San Francisco in the United States..."

Fat man nodded!

He said, "that's how the jet lag comes?"

Everyone laughed.

Suddenly, Xiao Wu said, "why do we do more research? We are not researchers. In short, just look at the theodolite! 1 + 1 = 2, do we have to prove him?"

Everyone laughed, too. Many people agree.

There are many islands near Solomon Islands. The longitude and latitude are about 160 and minus 7! Generally speaking, the climate has been very hot recently!

It's much better when the storm comes.

It's just that the storm is too big.

Looking back at the coast, overlooking the past, waves of shock! It really shocked everyone's little heart!

Old captain Kim, I talked for a while and rested!

We take heaven as a quilt and earth as a seat. Just!

Because the climate is very suitable for sleeping like this!