There are a total of how many planets there are in space, and how many planets are there in space

There are more planets in space, every galaxy has them, if you only ask about the solar system, it is now eight, Venus, Saturn, Jupiter, Mercury, Earth, Mars, Uranus, Neptune, it used to be nine, and there is Pluto, which is now downgraded.

Originally, there were nine planets in space, one of which was called Pluto, but it was smaller than the moon, so it was removed, and it was previously divided into, Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus, Neptune, Pluto, now only, Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus, Neptune.

There are 2 trillion planets in the universe. The real existence of the universe shows that it must have its own organizational components and basic appearance, and in recent years, domestic scholars have used mathematical methods to synthesize classical fields and quantum mechanics.

Relativity. On the basis of theories such as gravitational field, an expression that reflects the composition of the universe and its fundamentals is proposed.

Planetary definition. A celestial body, B orbits a star, C has its own gravitational pull sufficient to overcome its rigid strength to make the body spherical, D is able to clear other objects near its orbit. Mercury is one of the eight planets that could be observed in 2000.

Venus, Earth, Mars, Jupiter.

Saturn, Uranus, Neptune.

The definition of a dwarf planet cannot clear other objects in the vicinity of its orbit, e is not a satellite. Fit this definition includes, Ceres, Pluto, Eris, Ortoria, and Sedna, for a total of five Liquid Ants.

The definition of a small body in the solar system, a celestial body, b orbiting the sun, c does not meet the definition of buried planets and dwarf planets. The original asteroids, comets, etc., are all classified as small bodies in the solar system.

Some people say that it is able to see 6974 pieces.

Astronomers divide the stars in the sky into 88 constellations according to their regions. Among them, the northern sky (bounded by the celestial equator) has 29 constellations; There are 46 constellations in the southern sky and 13 constellations in the north and south of the celestial equator. As long as we have patience and count the stars in one constellation, we can count the stars that can be seen with the naked eye.

According to the calculations of astronomers: 6 stars of magnitude 0; 14 stars of 1st magnitude; 46 stars of 2nd magnitude were sold; 134 stars of 3rd magnitude; 458 stars of 4th magnitude; 1476 stars of 5th magnitude; 4,840 ...... of 6th magnitudeIn total, there are no more than 7,000 capsules.

If we use a telescope, the situation is different, and even with a small astronomical telescope, more than 50,000 stars can be seen. The largest modern astronomical telescope can see more than 1 billion stars.

In fact, the number of stars in the sky is much more than that. The universe is endless, and what modern astronomers see is nothing more than a tiny, tiny part of the universe.

The total number of stars that can be seen with the naked eye is only about 6,000, and the number of stars seen through telescopes is much lower.

To answer the question of how many planets there are in the universe, we can only use a statistical point of view. From the current observations, there are about 200 billion total galaxies in the universe, about 200 billion galaxies like the Milky Way in each total galaxy, about 200 billion stars in each galaxy, each star is on average the same as the sun, there are about 20 or so large planets, dwarf planets, comets, and about 50 moons. In this way, the planets in the universe are 200 billion, 200 billion, 200 billion, 70 planets, and of course this does not include asteroids and other stars that are too small.

Of course, with the current level of human exploration, the measurement is completely accurate.

There are innumerable, and there are nine that are large and close to the earth.