What are the eight planets of the solar system?

The eight planets are the eight large planets of the solar system, and they are Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus, and Neptune in descending order from near to far. Most of the eight planets also rotate in the same direction as their orbit. There are only two exceptions: Venus and Uranus.

Venus rotates in the opposite direction to its revolution.

A planet usually refers to a celestial body that does not emit light on its own and orbits a star. Its rotation is often in the same direction as the rotation of the star it orbits. Generally speaking, planets need to have a certain mass, and the mass of the planet must be large enough to be nearly spherical, and it cannot undergo nuclear fusion reactions like stars.

In order of distance: Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus, Neptune.

In order of size: Jupiter, Saturn, Uranus, Neptune, Earth, Venus, Mars, Mercury.

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Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus, Neptune.

The first four belong to terrestrial planets, which are small, dense, and solid, while the last four belong to Jupiteroids, which are large, dense, and gaseous. In terms of the orbital radius of Neptune, the farthest planet, the eight planets, as well as the Sun, are distributed within a near-circle with a radius of about 30 astronomical units.

Pluto, once considered one of the "Nine Planets", was defined as a "dwarf planet" on August 24, 2006. In addition, there are many smaller planets in the solar system in the asteroid belt between Mars and Jupiter, as well as the Oort Nebula, which extends nearly a light-year away from the Kuiper Belt, all of which belong to the scope of the solar system, and Jupiter has the most moons among the eight planets, and Jupiter has been found to have 68 moons.

The eight planets of the solar system are:Mercury, Venus, Earth, Mars,Jupiter, Saturn, Uranus, Neptune.

The name of the Earth International is "Gaia", which symbolizes Greek mythology.

Mother Earth goddess in the earth. Venus International is called "Venus", a goddess of love and beauty. Jupiter's international name is "Jupiter", which symbolizes the king of gods in ancient Roman mythology. Mercury International is known as "Ink Hill Min", which symbolizes the god who transmits messages to the gods and masters commerce and roads.

The international name of Mars is "Mars", which symbolizes the ancient Roman god of war. Saturn's international name is "Saturn", which symbolizes the ancient Roman god of agriculture. Uranus is known internationally as "Ursanos", a symbol of the gods of Greek mythology.

Neptune's international name is "Neptune", which symbolizes the god of the sea in Roman mythology.

Planetary features

Mercury, Venus, Mars, Jupiter, and Saturn can be seen without a telescope. Ancient Greece.

Call them planets or "wanderers" because these celestial bodies appear to travel across a fixed stellar background. Uranus can sometimes be seen without a telescope, but ancient astronomers could not distinguish it from a star.

Planets can be grouped in different ways. According to one scheme, the orbits of Mercury and Venus orbiting the Sun are smaller in diameter than the diameter of the Earth's orbit around the Sun, and are called intraterrestrial planets. Extraterrestrial planets are planets that orbit the Sun in diameter larger than the Earth's orbit.

The eight planets of the solar system are: Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus, and Neptune.

1. Mercury. Mercury is closest to the Sun and is the smallest planet in the solar system in terms of volume and mass. Often haunted at the same time as the sun, it was called "Chenxing" in ancient China. Mercury is smaller than two moons in diameter – Ganymede and Titan.

2. Venus. Venus is a periheliogen planet, and if you look at it from Earth with a telescope, you will see that it has a phase change. Galileo's observations of this phenomenon are important evidence in favor of Copernicus's heliocentric theory of the solar system.

3. Earth. Earth is the third planet in the solar system from the inside and outside, and it is also the terrestrial planet with the largest diameter, mass and density in the solar system, about 100 million kilometers (1 astronomical unit) from the sun. The Earth rotates from west to east while revolving around the Sun.

4. Mars. Mars is the fourth farthest from the sun and the seventh largest planet in the solar system, also known as glowing fire in ancient China, because Mars is red, glowing like fire, and the brightness often changes; And moving in the sky, sometimes from west to east, sometimes from east to west, the situation is complicated and confusing.

5. Jupiter. Jupiter is the fifth planet from the sun, known as the year star in ancient China, because it orbits exactly 12 years, that is, an earthly branch, Jupiter is the most massive of the planets in the solar system.

It is twice the mass of all the other 7 planets combined, or 318 times the size of the Earth, and 1,316 times the volume of the Earth, and because of its huge size, people can see it without a telescope, and Jupiter is known as the "king of the planets of the solar system".

6. Saturn. Saturn, the sixth-farthest planet from the Sun and the second largest of the eight planets, is known as "Zhenxing" in ancient China, and is the least dense planet in the solar system and can float on water.

7. Uranus.

Uranus is the seventh farthest planet from the Sun in the Solar System, the coldest planet in the Solar System, and the third largest planet in the Solar System in terms of diameter. Uranus is larger in size than Neptune and smaller in mass.

8. Neptune.

Neptune is the eighth planet orbiting the Sun and the fourth largest body in the Solar System (in diameter). Neptune is smaller than Uranus in diameter but has a greater mass.

Is there no Pluto? Do you have.

1. Mercury, the closest planet to the Sun, is the smallest planet in the solar system;

2. Venus, the sixth largest planet in the solar system, the hottest planet in the solar system, was called Taibai or Taibai in ancient China;

3. Earth English: earth, the earth is the third planet from the sun and the fifth largest planet in the solar system, and the earth is the densest planet in the solar system;

4. Mars English name: Mars, Mars is the fourth closest to the Sun and the seventh largest planet in the solar system;

5. Jupiter's English name: Jupiter, Jupiter is the fifth planet from the sun, known as the year star in ancient China;

6. Saturn's English name: Saturn, Saturn is the sixth farthest planet from the Sun and the second largest planet among the eight planets, known as "Zhenxing" in ancient China;

7. Uranus's English name: Uranus, Uranus is the seventh farthest planet from the sun in the solar system, and the coldest planet in the solar system, and the third largest planet in the solar system in terms of diameter;

8. Neptune English name: Neptune, Neptune is the eighth planet orbiting the Sun and the fourth largest celestial body in the solar system. Neptune is smaller than Uranus in diameter but has a greater mass.