The most convincing thing about science is that it can be overturned, unlike feudal superstition, which does not allow others to deny it, and there are many hypotheses about the final outcome of the universe, such as the great tear of subatomic fragments torn into subatomic fragments by increasing dark energy, the great freeze that increases entropy to the highest and falls into thermal death, and the great rebound that shrinks back to the singularity. It is not yet known which hypothesis will eventually become a reality. However, even if these hypotheses are not finally realized, the universe will slowly fall into boundless darkness and dead silence for a long time.
I will use a series of amplified worlds to overturn the habitual thinking of "what is outside the universe" that you imagine in your mind every night, if the universe is not "outside" at all, will you think about it with great fear?
Let's start looking for ourselves!
Remember this small point of light, which is our Milky Way, this distance is 10 million light-years, and on this distance, our huge galaxy is just a small light that flickers on and off.
Most of space appears empty, and the glow of distant galaxies is as small as dust. Readers with a little scientific logic can also understand that this is a normal visual scale, in which the universe is roughly the same, and everything becomes a leap in time with the passage of distance, and from one place to another, it has become a distant past.
The size of the Milky Way at 1 million light-years from the Milky Way:
At this time, we see an "astrolabe", which is exactly the Milky Way we "inhabit", which is a nebula of countless stars gathered together.
The full view of the Milky Way at 100,000 light-years from the Milky Way:
Looking closely at the spiral of the Milky Way, under the action of gravity, a hundred billion stars are pulled together, surrounding the huge energy source in the center, just as the Milky Way also has its own sun, forever circling.
A view of the Milky Way just 10,000 light-years from its "destination":
Clouds of stars and luminous gas, as well as dimmering chunks of dust, mark the slow-changing spiral of the galaxy disk. The distant sun is not visible here, but it is in the center of the image, near the edge of a gyrical kidney.
A view of the Milky Way just a thousand light-years from its "destination":
The inside of the star cluster is full of glowing gas, and countless stars, as well as black matter dust, densely packed with who is who, as if at the edge of a galaxy, can not tell whether in front of you is a 2D picture or a 3D picture, nor do you know that you are in a few dimensions.
A view of the Milky Way just a hundred light-years from the "destination":
We kind of came in, into a "cell" of the galaxy.
A view when it was only a trillion kilometers from the "destination":
Against the background of faint stars in the distance, only the sun can be seen. At one time, this was all we knew about the boundaries of our solar system. We now know that a huge ice cloud moves slowly here, though not visible in the faint sunlight. We only see visitors year after year, and a few fall into the brighter areas near the Earth. There we saw them, moving in the sky like makeshift planers, their long, faint tails boiling with the flames of the sun.
A view of only 100 billion kilometers from the "destination":
All the planets of the sun circulate in this small square. From Earth, the planets are always so conspicuous, and a few strange and bright stars wander restlessly in a sky covered with unchanging patterns. From the outside, the planets take on a Copernican appearance, moving around the Sun on these nested ellipses, which are drawn by colored lines.
A view when it was only 10 billion kilometers from the "destination":
This image shows the orbits of the outer planets. This highly inclined orbit belongs to the tiny, skewed Pluto. The four stars are Neptune, Uranus, Saturn, and Jupiter, as well as their many moons. Inner planets orbit smaller between Jupiter's orbit and the Sun. The planets rotate counterclockwise here, almost all on the same flat. Later, it became a silver cake, but in fact, the specific planet was still not visible.
A view when it was only a billion kilometers from the "destination":
Orbiting the massive Jupiter are smaller terrestrial planets: Mars, Earth, Venus, and Mercury. Another group of objects is too small and faint to see without a telescope: asteroids and meteors weaving through this darkness between the orbits of Mars and Jupiter.
A view of only 100 million kilometers from the "destination":
Now we see the inner solar system, where the Earth crosses a green arc for about six weeks each September and October.
A view of only 100 million kilometers from the "destination":
This path marks the four-day path of the Earth in October, and the path of the Moon in its is indicated relative to the Earth. The Moon is always located on a small ellipse that moves with the Earth in its orbit.
A view of only 1 million kilometers from the "destination":
The farthest place we humans have ever been to is the companion moon, our nearest celestial realm. The neighbors' bright moonlight and tides witnessed her approach.
Fast, almost to the "destination of the earth", there is still 100,000 kilometers to go:
The whole earth emerged, isolated, graceful, fragile, and it moved smoothly and rapidly around the sun.
10,000 km distance:
Earth, blue sky, white clouds, black sea, brown land, a earth that rotates forever downward.
1000 km forward:
From low orbit, this area encompasses the entire of Lake Michigan, a wide body of water, like the flat silted land around it, formed by continental glaciers in recent geological times, tens of thousands of years ago, and the weather on this day marks clouds lining through streets and trees, and although we see the homes of tens of millions of people, it is still difficult to tell.
At an altitude of 10 km above the ground:
The center of the city emerged, home and workplace of 1 million people, and here the entire structure of the city was displayed, the park port.
Aerial view of the building at an altitude of 1 km:
Now we see scenes from a city in the United States: the Lakeside Boulevard, the Soldiers' Stadium, the airstrip, the boat dock, the museum.
100 meters high:
Not far from the highway next to the park and the boats on the pier, the two men loomed, lying on the lawn.
10 meters height:
A man and a woman have a picnic in the park.
1 meter close-up:
This is the scale of normal human conversation and interaction, this person who does not have to go to work on weekdays sleeps soundly, just as the so-called money is very comfortable, always have money has always been comfortable.
Image after zooming in to a distance of 0.1 meters:
The dry skin of one of this man can be seen, and the various elements of the universe eventually evolved to eat life and also shaped all our representations of the world, including the hand itself.
Micro distance of 1 cm:
A more microscopic skin surface, as if through a powerful magnifying glass, wrinkles are a sign and means of skin flexibility, in fact, no matter how smooth a person's skin is, wrinkles will be seen at this distance, and if the person's hands are smooth like soap, it loses friction.
Micro-viewing distance of 0.1 cm:
Here, we share the world of the microscopist, who opened the doors of nature and we came to the even more amazing distance of our journey, just under the skin of this person, inside a cell along a small blood vessel.
0.1mm viewing angle:
Unexpected details appear, we can hardly determine our bearings, and deeper we enter a rather strange inner world, as alien to us as distant stars, all witnessed for the first time.
10 micron viewing angle:
We enter the capillaries through living skin, where blood clots, and most blood cells are small, incomplete, short-lived discs that give the color to red blood cells, and this white blood cell, a lymphocyte, is a long-term participant in a complex cellular and chemical strategy called the immune system, which is the body's defense system against infection.
1 micron viewing angle:
Inside the wrinkled lymphocytes, we see the protective membrane inside the nucleus, and every intact cell has such a nucleus, whose molecular products make the entire life of the cell, and there are a hundred times more cells in a person than the planets in the galaxy.
Super line-of-sight of 0.1 microns:
Huge long molecules are safely preserved inside the nucleus, coils of DNA that are skillfully wound and folded in this tiny space, and these important instructions are carefully copied with each cell division, and one such DNA line is stored in each of the 46 chromosomes in the nucleus of each human cell.
What 100 Angmi looks like under the microscope:
In this close-up, DNA is seen as a long twisted molecular ladder, the double helix structure, in which the individuality of the organism is maintained in the order in which the different rungs run, and this chemical information is the familiar "element of life", which determines everything about an organism.
What 10 emmy looks like under the microscope:
These building blocks are carriers of molecular genetic information, which are themselves inanimate, and while the carbon atoms in the center are bound to visible rush atoms, there may be a large number of similar bonds between carbon atoms and hydrogen atoms floating in the cold and thin gas of interstellar space.
What 1 Amimy looks like under the microscope:
The charge is like the energy of a noise, creating a "lightning storm" on its surface that is beyond our knowledge. Quantum laws at the atomic scale require a description of electron motion, which is more subtle and complex than moving particles in ordinary experience, so the displayed dot texture does not map individual electrons, but instead indicates a cloud of charges drawn by electrons in their symmetrical but untraceable patterns of quantum motion, in which surface electrons are shared.
What 0.1 Amimi looks like under the microscope:
This is the inside of the electron, I don't know what it is, to say that it is energy, what kind of energy is produced by human beings, human beings do not know, in short, it has an extraordinary energy, still the same as "noise", but we have been unable to measure and prove their operating principle and existence.
Well, the exploration is coming to an end, and at this point, the most terrifying picture is coming!
The scene under the microscope "continues to the foreground" to 1 picometer:
A "mysterious" core begins to emerge again, and the balance of the atomic force may be set by this nucleus, whose strong attraction binds the trajectory of the electron, like the middle of another universe, where everything external revolves relatively.
Although scientifically the positively charged protons in the nucleus must be gathered to produce energy, this is all the conclusion, so humans use the element of the proton particle as the cosmic unit that makes up matter.
But protons and particles still contain "how big" the world is unknown, human observation has reached the end, can not continue to move forward, but the very incredible thing is that this last picture is almost exactly the same as the Milky Way observing a distance of 10 million years in the universe at the beginning.
How big is the universe, maybe human beings are running in the wrong direction at all, the universe may be a higher latitude "infinite", but human cognition can not transcend the confirmation of the era itself, just like heliocentrism, when it is first proposed, it will be regarded as a theory of gods and ghosts.
In short, human beings may be even smaller than we think.