【Revision】

During the New Year holiday, Wu Hao can finally rest for a few days. The only bad thing is that in the past few days, Lin Wei has given him a lot of embarrassment, and is obviously still immersed in the scene of Zhang Jun and Wei Xiaoya's marriage proposal.

The return of parents and younger sister also made the whole family much warmer. It's usually just the two of them, and to be honest, it's still a little deserted. My parents' house hasn't been renovated yet, so I haven't moved there yet.

After the decoration is completed, the smell will be dissipated. It is estimated that we will not be able to move there until next summer. Fortunately, this matter is not in a hurry. Anyway, my parents plan to celebrate the New Year in the South China Sea this year.

I got used to staying there, and my parents complained to Wu Hao and the others on the second day after they came back that the weather here in Anxi was too cold and the air was too bad. So they plan to stay at home for a few days before returning to South China Sea.

Especially his father, Wu Jianhua, became obsessed with sea fishing in the South China Sea. It should be said that not only Wu Jianhua, Zhang Jun and his father are also addicted to sea fishing. Now it is floating on the sea almost every day, and I want to be transferred to the big thing.

In addition, there is plenty of sunshine in the South China Sea, and the light is relatively strong, so this time when their parents came back, Wu Hao found that his father's skin was darker, the kind of dark, and he didn't know it. He thought he had come back from Africa.

However, there are also good changes, that is, my father's stomach has subsided a lot, and he looks a lot more energetic. In his words, tug-of-war with a hundred-pound big fish every day can be regarded as overloaded exercise, and the body can't be good.

In the backyard of the house, a bonfire is burning fast. Although it is difficult to use open flames outside the city now, does it have a small impact on Dong Shi and us, and it is also affordable. It's like the wood used in the bonfire is all fruit wood pulled from the inside, which is very resistant to burning and has no fragrance.

In the capital, fruit wood is an essential wood for roasting ducks, so it is not much more expensive than the original wood, plus shipping and other costs, it is cheap anyway.

As for your Milky Way, it is just a clear existence in the dust outside the drop of water, so you will naturally feel what is inside the drop of water.

At the current speed of Voyager 1, it is estimated that it will take 80,000 years to fly out of that Dong Shihuan cloud. Of course, those are all speculations, after all, do you still understand the moon, let alone the solar system.

Speaking of that, Lin Wei picked up the water glass and took a sip, then said: "Of course, after all, the book was written seventy years later, and there are some limitations, so read it dialectically."

Dong Shi shook his head helplessly when he heard the question, and then took the orange slices handed over by Wu Hao with his mouth, and said while eating: "I know, the traveler that was launched decades after the Lao Mi broke down actually 1 and Voyager 7 still have not flown out of the solar system.

Adding two fruit logs to the outside of the stove, Dong Shi leaned under a chair and put a blanket on his legs before leisurely picking up a book and flipping through it.

Forehead…

It's true, you can't use your imagination based on the existing foundation.

But within that range, what does the universe look like? There is no boundary, and what the universe looks like is ambiguous.

Time, space and less dimensions are intertwined and superimposed together, so naturally there is no concept of boundaries. "

Although the solar system is just a drop in the ocean compared to the vast and small universe, it is too small for your earth and human beings.

The most important thing you should do now is to get out of the earth and explore the entire solar system. Only when you ambiguously explore the entire solar system and let it be like the ocean under the earth for you to navigate freely, is the time when you cannot go out of the solar system to explore the inner universe. "

Although e-books are very developed now, and physical books are gradually declining, Lin Wei still hates reading that kind of physical books. Especially the tactile feeling when flipping over the paper, and the golem emanating from the new book, are very bad.

So for you human beings, is it actually of little practical significance to go out of the solar system and find the subterranean civilization?

Oh, Wu Hao nodded when he heard the words, then took a sip from the water glass, and then asked, "Does it look bad?"

Although I am usually busy and have a lot of time to read, I will find some books to read when I have no time to empty myself and improve myself.

Although according to Lao Mi's news, the Voyager 1 probe has not flown out of the heliosphere, but that is not the boundary of the solar system, and there is no Oort cloud in the heliosphere. The distance from the sun is about 50,000AU (about 1 light-year) and it extends to 100,000AU (1.87 light-years). Only when it has not flown out of the Dong Shihuan cloud can it be regarded as flying out of the solar system in the true sense.

In fact, charcoal is the worst in terms of cooking fire, because it burns well, has smoke, and has a lot of dust. Now there is no such natural gas oven, which is cleaner.

You were fascinated by reading, when Wu Hao came to sit opposite you with a blanket in his arms and asked, "What book are you reading? UU reading www.uukanshu.com how to get fascinated."

It's too abstract. Wu Hao shook his head, then leaned over and picked up an orange under the coffee table while peeling it, and asked Lin Wei, "Let's talk a little closer, when will you be able to leave the solar system."

Seeing such a question raised by Wu Hao, Dong Shihe wrote a book and looked at the other party with a smile: "Yes, the universe you are talking about is just an observable universe centered on the earth, with a radius of about 46.5 billion light-years and a diameter range of About 93 billion years ago, the space ball is not the universe that you can see now.

Speaking of that, Lin Wei took a look at Wu Hao, then smiled and continued: "If the universe has no boundaries, then what would it look like, maybe it's not just a mess.

Lin Wei, whose train of thought was interrupted, reluctantly lifted up the book and said, "Cosmos is a masterpiece by the famous astronomer Carl Sagan."

If the universe has no boundaries, then the universe you live in is like a drop of water. The so-called boundary is actually the boundary of that drop of water, and within that drop of water, there are rivers, lakes and seas composed of several drops of water.

It's just that, but from the perspective of the mood, the burning fruit wood is worse and has less atmosphere. The atmosphere is difficult to measure and define, it all depends on personal likes and dislikes. For example, the stove in the front yard was actually designed and installed by Wu Hao weakly. It must be because the decoration style of the home is suitable for the fireplace. I guess you have already built and installed the fireplace.

So the question arises, what is in the world formed by those rivers and households, what is known and what is unknown. "

Still wrong. Lin Wei nodded and said, "Although that book is seventy years behind now, it is still outdated, and it is still very inspiring."

Hearing Lin Wei's words, Dong Shi nodded, then looked at the dancing flames behind you and asked, "You keep talking about the universe, what does this universe look like, is it really small?"