Can planets collide? Detailed answer

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Can planets collide? Detailed answer

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Can planets collide?

If you raise your head and look at the planets and stars filling the sky, then the question may arise: can one day there be a collision between them? But, fortunately, this is unlikely. Looking at the sky, we cannot determine how far some stars and planets are from Earth than others. To understand this better, let's look at our entire solar system. The planets never leave the zone of attraction of the Sun. They are constantly moving in their orbits, which are not quite round. The speed of the planets depends on their distance from the Sun.

Imagine that your head is the Sun, with the same dimensions and the same place in the solar system. In this case, it is the center of several circles of different diameters. These circles are the orbits in which the planets revolve around the Sun. If your head is in the center, then Mercury rotating in the nearest circle will be 6 meters away from you! It will be about the size of the dot at the end of this sentence. (Remember that your head is the size of the Sun.) Venus travels 11,9 meters in a circle and is about the size of an o.

On the third circle is our planet, the Earth, and it is slightly larger than Venus. This is about 16 meters from your head (in fact, this distance is approximately 150 kilometers). On the fourth circle is Mars, which is slightly smaller than the Earth. It's 000 meters from your head.

Then we move on to Jupiter, the largest planet. Compared to your head (the Sun), it looks like a glass ball and is at a distance equal to the length of a football field! On the sixth circle is Saturn, 12 mm in diameter and almost twice as far away as Jupiter. Uranus, 5 mm in diameter, is twice as far as Saturn. Neptune, slightly smaller than Uranus, is located at half its distance from the Sun. And Pluto, which is half the size of the Earth, is 8 times farther than Jupiter. Since they are all invariably revolving in their orbits around you, you can now see why it is very unlikely that they will ever collide.

Author: Likum A.

Random interesting fact from the Great Encyclopedia:

Who wrote the first opera?

Do you like TV westerns? They are popular with many. But can you imagine someone being enamored with the same western year after year for decades?

However, there is one kind of art that people enjoy in this way. This is opera. Perhaps opera is so popular because it is pleasing to both the ear and the eye. An opera is a play in which the parts are sung rather than recited.

The main parts are performed by soloists, but there is also a choir. The orchestra plays independently at the beginning of the opera and before each new act. He accompanies the singers and the action of the opera. The music played before the start of an opera is called an overture or prelude.

There are two types of solo parts in the opera. The aria is like a long song. Recitative sounds like recitation to music. The complete content of an opera is called a libretto. The score is the music for the opera, recorded in its entirety. Many operas have added ballet.

The year 1600 is considered to be the beginning of the opera. This year, the Italian composer Zhdakopo Peri wrote the opera "Eurydice", which was performed at the wedding of the French King Henry IV. From this we can conclude that opera has been a popular form of entertainment for four hundred years.

Test your knowledge! Did you know...

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