The relationship between the two constellations of the earth.

What is the relationship between the Milky Way and the constellation? Which is bigger?

The relationship between the superior and the subordinate, of course, is the Milky Way.

The Milky Way is the galaxy to which the earth and the sun belong. It is named because the bright band whose main part is projected on the celestial sphere is called the Milky Way in China.

The Milky Way is a whirlpool, and four spiral arms extend evenly and symmetrically from the center of the Milky Way. The center of the Milky Way and the four spiral arms are places where stars are concentrated. From a distance, the Milky Way looks like a discus for exercise. The diameter of discus is 654.38+ million light years, which is equivalent to 1 100 million kilometers. The thickest part in the middle is about light years. The sun is located on a spiral arm called Orion arm, about 33,000 light years away from the center of the Milky Way.

The Milky Way is the star system where the solar system is located, including120 billion stars, a large number of star clusters and nebulae, and various types of interstellar gas and dust. Its total mass is 654.38+04 billion times that of the sun. Most stars in the Milky Way are concentrated in a oblate sphere, which is shaped like a discus. The protruding part in the middle of the oblate sphere is called the "nuclear sphere" with a radius of about 7000 light years. The center of the core ball is called "silver core" and the periphery is called "silver disk". There is a bigger sphere outside the silver disk, where there are fewer stars and less density. It is called "Silver Halo" with a diameter of 70,000 light years. The Milky Way is a spiral galaxy with a spiral structure, that is, it has a silver center and two spiral arms, which are 4500 light years apart. The rotation speed and period of each part of it are different because the distance from the silver center is different. The sun is about 23,000 light-years away from the galactic center and orbits it at a speed of 250km/s..

The relationship between the superior and the subordinate, of course, is the Milky Way.

The Milky Way is the galaxy to which the earth and the sun belong. It is named because the bright band whose main part is projected on the celestial sphere is called the Milky Way in China.

The Milky Way is a whirlpool, and four spiral arms extend evenly and symmetrically from the center of the Milky Way. The center of the Milky Way and the four spiral arms are places where stars are concentrated. From a distance, the Milky Way looks like a discus for exercise. The diameter of discus is 654.38+ million light years, which is equivalent to 1 100 million kilometers. The thickest part in the middle is about light years. The sun is located on a spiral arm called Orion arm, about 33,000 light years away from the center of the Milky Way.

The Milky Way is the star system where the solar system is located, including120 billion stars, a large number of star clusters and nebulae, and various types of interstellar gas and dust. Its total mass is 654.38+04 billion times that of the sun. Most stars in the Milky Way are concentrated in a oblate sphere, which is shaped like a discus. The protruding part in the middle of the oblate sphere is called the "nuclear sphere" with a radius of about 7000 light years. The center of the core ball is called "silver core" and the periphery is called "silver disk". There is a bigger sphere outside the silver disk, where there are fewer stars and less density. It is called "Silver Halo" with a diameter of 70,000 light years. The Milky Way is a spiral galaxy with a spiral structure, that is, it has a silver center and two spiral arms, which are 4500 light years apart. The rotation speed and period of each part of it are different because the distance from the silver center is different. The sun is about 23,000 light years away from the galactic center, and it orbits the galactic center at a speed of 250 km/s with a period of about 250 million years.

About a billion. At present, there will be no answer that is too different from this.

Planets are not galaxies, but stars. A star forms a galaxy with its planet, all celestial bodies and interstellar matter. Almost all galaxies have planets. There are many stars with planets. Not less than 10%, I seem to remember not less than 20%, maybe 30% or 50%. But it's far away and not easy to be found. People can only find Jupiter (thousands of times as many as the earth).

A star with planets within ten light years. But people hope to find planets with (higher) life. People suspect that there are planets with higher life on two stars 30 to 50 light-years away from us, so they send radio waves in that direction. (That is to say, it will take at least seventy years to get the result. )

It's just made up of some stars.

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Bullshit! The constellations we see are all made up of many galaxies. The stars in the same constellation are not necessarily in the same galaxy, but when we look at the earth, they are just in the same direction! !

125.39. 138.*

I come from the other side of the galaxy. Do you want to find me?

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No, because the constellations are too far away to tell their relative distance with the naked eye. We don't know if it is in the Milky Way. . . You can ask me if you don't know yet ~ ~ ~

The Milky Way is the galaxy where the solar system is located. It is a spiral galaxy, just like Andromeda, in the same cluster. The ancients called it the Milky Way and Tianhe because it was like a flash flowing in the sky. ...

No ~ Andromeda belongs to Andromeda galaxy ~ Andromeda galaxy, the giant galaxy closest to our own galaxy. Andromeda galaxy is a disk galaxy, which is about 700,000 parsec. It appears as a faint light (star) in Andromeda. ...

Andromeda galaxy and the Milky Way galaxy form a cluster of galaxies, among which the satellite galaxies system of the Milky Way galaxy includes Sagittarius dwarf ellipsoid galaxy (Sagittarius), Large Magellanic galaxy, Small Magellanic galaxy, Canine dwarf galaxy, Ursa minor dwarf galaxy, Tianlong dwarf galaxy, ...

The solar system does "spin" slowly around the center of the Milky Way. But its trajectory is not necessarily a closed ellipse or circle. As the sun loses mass due to constant radiation of energy, the solar system will be farther and farther away from the center of the galaxy, so its trajectory. ...