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Dimensions of objects in the Universe in comparison (photo)

1. This is Earth! We live here. At first glance it is very large. But, in fact, compared to some objects in the Universe, our planet is negligible. The following photos will help you at least roughly imagine something that simply cannot fit into your head.

2. The location of planet Earth in the solar system.

3. Scaled distance between the Earth and the Moon. Doesn't look too far away, does it?

4. Within this distance you can place all the planets of our solar system, beautifully and neatly.

5. This small green spot is the continent of North America, on the planet Jupiter. You can imagine how much larger Jupiter is than the Earth.

6. And this photo gives an idea of the size of planet Earth (that is, our six planets) compared to Saturn.

7. This is what Saturn's rings would look like if they were around the Earth. Beauty!

8. Hundreds of comets fly between the planets of the solar system. This is what comet Churyumov-Gerasimenko, on which the Philae probe landed in the fall of 2014, looks like, compared to Los Angeles.

9. But all objects in the solar system are negligible compared to our Sun.

10. This is what our planet looks like from the surface of the Moon.

11. This is what our planet looks like from the surface of Mars.

12. And this is us from Saturn.

13. If you fly to the edge of the solar system, you will see our planet like this.

14. Let's go back a little. This is the size of the Earth compared to the size of our Sun. Impressive, isn't it?

15. And this is our Sun from the surface of Mars.

16. But our Sun is only one of the stars in the Universe. Their number is greater than the grains of sand on any beach on Earth.

17. This means that there are stars much larger than our Sun. Just look at how tiny the Sun is compared to the largest star known today, VY, in the constellation Canis Major.

18. But not a single star can compare with the size of our Milky Way Galaxy. If we reduce our Sun to the size of a white blood cell and reduce the entire Galaxy by the same amount, then the Milky Way will be the size of Russia.

19. Our Milky Way Galaxy is huge. We live somewhere around here.

20. Unfortunately, all the objects that we can see with the naked eye in the sky at night are placed in this yellow circle.

21. But the Milky Way is far from the largest Galaxy in the Universe. This is the Milky Way compared to Galaxy IC 1011, which is 350 million light-years from Earth.

22. But that's not all. This Hubble image captures thousands upon thousands of galaxies, each containing millions of stars with their own planets.

23. For example, one of the galaxies in the photo, UDF 423. This galaxy is located ten billion light years from Earth. When you look at this photo, you are looking billions of years into the past.

24. This dark piece of the night sky looks completely empty. But when zoomed in, it turns out that it contains thousands of galaxies with billions of stars.

25. And this is the size of a black hole compared to the size of the Earth’s orbit and the orbit of the planet Neptune.

One such black abyss could easily suck in the entire solar system.

> Scale of the Universe

Use online interactive scale of the universe: real dimensions of the Universe, comparison of space objects, planets, stars, clusters, galaxies.

We all think of dimensions in general terms, such as another reality, or our perception of the environment around us. However, this is only part of what measurements actually are. And above all, the existing understanding measurements of the scale of the Universe– this is the best described in physics.

Physicists suggest that measurements are simply different facets of perception of the scale of the Universe. For example, the first four dimensions include length, width, height and time. However, according to quantum physics, there are other dimensions that describe the nature of the universe and perhaps all universes. Many scientists believe that there are currently about 10 dimensions.

Interactive scale of the universe

Measuring the scale of the Universe

The first dimension, as mentioned, is length. A good example of a one-dimensional object is a straight line. This line only has a length dimension. The second dimension is width. This dimension includes length; a good example of a two-dimensional object would be an impossibly thin plane. Things in two dimensions can only be viewed in cross section.

The third dimension involves height, and this is the dimension we are most familiar with. Combined with length and width, it is the most clearly visible part of the universe in dimensional terms. The best physical form to describe this dimension is a cube. The third dimension exists when length, width and height intersect.

Now things get a little more complicated because the remaining 7 dimensions are associated with intangible concepts that we cannot directly observe but know exist. The fourth dimension is time. It is the difference between past, present and future. Thus, the best description of the fourth dimension would be chronology.

Other dimensions deal with probabilities. The fifth and sixth dimensions are associated with the future. According to quantum physics, there can be any number of possible futures, but there is only one outcome, and the reason for this is choice. The fifth and sixth dimensions are associated with the bifurcation (change, branching) of each of these probabilities. Basically, if you could control the fifth and sixth dimensions, you could go back in time or visit different futures.

Dimensions 7 to 10 are associated with the Universe and its scale. They are based on the fact that there are several universes, and each has its own sequence of dimensions of reality and possible outcomes. The tenth and final dimension is actually one of all possible outcomes of all universes.

There were times when the world of people was limited to the surface of the Earth under their feet. With the development of technology, humanity has expanded its horizons. Now people are thinking about whether our world has boundaries and what is the scale of the Universe? In fact, no one can imagine its real size. Because we don't have any suitable reference points. Even professional astronomers imagine (at least in their imagination) models reduced many times over. It is important to accurately correlate the dimensions of objects in the Universe. And when solving mathematical problems, they are generally unimportant, because they turn out to be just numbers that the astronomer operates with.

About the structure of the solar system

To talk about the scale of the Universe, we must first understand what is closest to us. First, there is a star called the Sun. Secondly, the planets orbiting around it. Besides them, there are also satellites moving around some of them. And we must not forget about

The planets on this list have been of interest to people for a long time, since they are the most accessible for observation. From their study, the science of the structure of the Universe began to develop - astronomy. The star is recognized as the center of the solar system. It is also its largest object. Compared to the Earth, the Sun is a million times larger in volume. It only seems relatively small because it is very far from our planet.

All planets of the solar system are divided into three groups:

Earthly. It includes planets that are similar to Earth in appearance. For example, these are Mercury, Venus and Mars.
Giant objects. They are much larger in size compared to the first group. In addition, they contain a lot of gases, which is why they are also called gaseous. These include Jupiter, Saturn, Uranus and Neptune.
Dwarf planets. They are, in fact, large asteroids. One of them, until recently, was included in the composition of the main planets - this is Pluto.

The planets “do not fly away” from the Sun due to the force of gravity. But they cannot fall on a star due to high speeds. The objects are really very “nimble”. For example, the speed of the Earth is approximately 30 kilometers per second.

How to compare the sizes of objects in the Solar System?

Before you try to imagine the scale of the Universe, it is worth understanding the Sun and the planets. After all, they can also be difficult to correlate with each other. Most often, the conventional size of a fiery star is identified with a billiard ball, the diameter of which is 7 cm. It is worth noting that in reality it reaches about 1,400 thousand km. In such a “toy” model, the first planet from the Sun (Mercury) is at a distance of 2 meters 80 centimeters. In this case, the Earth's ball will have a diameter of only half a millimeter. It is located at a distance of 7.6 meters from the star. The distance to Jupiter on this scale will be 40 m, and to Pluto - 300.

If we talk about objects that are outside the Solar System, then the closest star is Proxima Centauri. It will be removed so much that this simplification is too small. And this despite the fact that it is located within the Galaxy. What can we say about the scale of the Universe? As you can see, it is virtually limitless. I always want to know how the Earth and the Universe are related. And after receiving the answer, I can’t believe that our planet and even the Galaxy are an insignificant part of a huge world.

What units are used to measure distances in space?

A centimeter, a meter and even a kilometer - all these quantities turn out to be insignificant already within the solar system. What can we say about the Universe? To indicate the distance within the Galaxy, a value called a light year is used. This is the time it would take for light to travel over one year. Let us remember that one light second is equal to almost 300 thousand km. Therefore, when converted to the usual kilometers, a light year turns out to be approximately equal to 10 thousand billion. It is impossible to imagine, therefore the scale of the Universe is unimaginable for humans. If you need to indicate the distance between neighboring galaxies, then a light year is not enough. An even larger value is needed. It turned out to be a parsec, which is equal to 3.26 light years.

How does the Galaxy work?

It is a giant formation consisting of stars and nebulae. A small part of them is visible every night in the sky. The structure of our Galaxy is very complex. It can be considered a highly compressed ellipsoid of revolution. Moreover, it has an equatorial part and a center. The equator of the Galaxy is mostly composed of gaseous nebulae and hot massive stars. In the Milky Way, this part is located in its central region.

The solar system is no exception to the rule. It is also located near the equator of the Galaxy. By the way, the main part of the stars forms a huge disk, the diameter of which is 100 thousand and the thickness is 1500. If we return to the scale that was used to represent the Solar System, then the size of the Galaxy will be commensurate. This is an incredible figure. Therefore, the Sun and the Earth turn out to be crumbs in the Galaxy.

What objects exist in the Universe?

Let's list the most important ones:

Stars are massive self-luminous balls. They arise from an environment consisting of a mixture of dust and gases. Most of them are hydrogen and helium.
CMB radiation. They are those spreading in space. Its temperature is 270 degrees Celsius. Moreover, this radiation is the same in all directions. This property is called isotropy. In addition, some mysteries of the Universe are associated with it. For example, it became clear that it arose at the moment of the big bang. That is, it exists from the very beginning of the existence of the Universe. It also confirms the idea that it is expanding equally in all directions. Moreover, this statement is true not only for the present time. It was like that at the very beginning.
That is, hidden mass. These are those objects of the Universe that cannot be studied by direct observation. In other words, they do not emit electromagnetic waves. But they have a gravitational effect on other bodies.
Black holes. They have not been sufficiently studied, but are very well known. This happened due to the massive description of such objects in science fiction works. In fact, a black hole is a body from which electromagnetic radiation cannot spread due to the fact that the second cosmic velocity on it is equal to. It is worth remembering that it is the second cosmic velocity that must be communicated to the object in order for it to leave the space object.

In addition, there are quasars and pulsars in the Universe.

Mysterious Universe

It is full of things that have not yet been fully discovered or studied. And what has been discovered often raises new questions and related mysteries of the Universe. These include even the well-known “Big Bang” theory. It is really only a conditional doctrine, since humanity can only guess at how it happened.

The second mystery is the age of the Universe. It can be calculated approximately by the already mentioned relict radiation, observation of globular clusters and other objects. Today, scientists agree that the age of the Universe is approximately 13.7 billion years. Another mystery - if there is life on other planets? After all, it was not only in the solar system that suitable conditions arose and the Earth appeared. And the Universe is most likely filled with similar formations.

One?

What is outside the Universe? What is there where the human gaze has not penetrated? Is there something beyond this border? If so, how many universes are there? These are questions that scientists have yet to find answers to. Our world is like a box of surprises. It once seemed to consist only of the Earth and the Sun, with a few stars in the sky. Then the worldview expanded. Accordingly, the boundaries have expanded. It is not surprising that many bright minds have long come to the conclusion that the Universe is only part of an even larger formation.

Which are on it. For the most part, we are all chained to the place where we live and work. The size of our world is amazing, but it is absolutely nothing compared to the Universe. As the saying goes - "born too late to explore the world, and too early to explore space". It's even insulting. However, let's get started - just be careful not to get dizzy.

1. This is Earth.

This is the same planet that is currently the only home for humanity. The place where life magically appeared (or maybe not so magically) and in the course of evolution you and I appeared.

2. Our place in the solar system.

The closest large space objects that surround us, of course, are our neighbors in the solar system. Everyone remembers their names from childhood, and during lessons about the world around them they make models. It so happened that even among them we are not the biggest...

3. The distance between our Earth and the Moon.

It doesn't seem that far, right? And if we also take into account modern speeds, then it’s “nothing at all.”

4. In fact, it’s quite far away.

If you try, then very accurately and comfortably - between the planet and the satellite you can easily place the rest of the planets of the solar system.

5. However, let's continue talking about planets.

Before you is North America, as if it were placed on Jupiter. Yes, this small green speck is North America. Can you imagine how huge our Earth would be if we moved it to the scale of Jupiter? People would probably still be discovering new lands)

6. This is Earth compared to Jupiter.

Well, more precisely six Earths - for clarity.

7. Rings of Saturn, sir.

The rings of Saturn would have such a gorgeous appearance, provided they revolved around the Earth. Look at Polynesia - a bit like the Opera icon, right?

8. Let's compare the Earth with the Sun?

It doesn't look that big in the sky...

9. This is the view of the Earth when looking at it from the Moon.

Beautiful, right? So lonely against the backdrop of empty space. Or not empty? Let's continue...

10. And so from Mars

I bet you wouldn't even be able to tell if it was Earth.

11. This is a shot of Earth just beyond the rings of Saturn

12. But beyond Neptune.

A total of 4.5 billion kilometers. How long would it take to search?

13. So, let's go back to the star called the Sun.

A breathtaking sight, isn't it?

14. Here is the Sun from the surface of Mars.

15. And here is its comparison with the Scale of the star VY Canis Majoris.

How do you like it? More than impressive. Can you imagine the energy concentrated there?

16. But this is all bullshit if we compare our native star with the size of the Milky Way galaxy.

To make it more clear, imagine that we have compressed our Sun to the size of a white blood cell. In this case, the size of the Milky Way is quite comparable to the size of Russia, for example. This is the Milky Way.

17. In general, stars are huge

Everything that is placed in this yellow circle is everything that you can see at night from Earth. The rest is inaccessible to the naked eye.

18. But there are other galaxies.

Here is the Milky Way compared to the galaxy IC 1011, which is located 350 million light years from Earth.

Let's go over it again?

So, this Earth is our home.

Let's zoom out to the size of the solar system...

Let's zoom out a little more...

And now to the size of the Milky Way...

Let's continue to reduce...

And further…

Almost ready, don't worry...

Ready! Finish!

This is all that humanity can now observe using modern technology. It’s not even an ant... Judge for yourself, just don’t go crazy...

Such scales are hard to even comprehend. But someone confidently declares that we are alone in the Universe, although they themselves are not really sure whether the Americans were on the Moon or not.

Hang in there guys... hang in there.

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