Definition and Names of Planets in the Solar System – All living beings live on earth which is one of the planets found on solar system. Anything the names of the planets anything other than earth? Check out the explanation below.

Before knowing and trying to memorize the names inner planet our solar system, you also need to understand what is a planet. So consider the following explanation of the term planet.

Definition of Planets

Reported from, that celestial bodies in the solar system must have three criteria in order to be called a planet, namely consisting of;

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  1. Planets must orbit a star
  2. The planet must be large enough to have enough gravity to force it into a spherical shape
  3. The planet must be large enough that its gravity clears other objects of similar size near its orbit around the sun

Definition the planet is a celestial body that orbits around the Sun, has sufficient mass for its own gravitational force to overcome the force of the foot object so that it takes the form of hydrostatic equilibrium (nearly spherical) and has cleared the environment around its orbit.

Names of the Planets in the Solar System

Not only the definition of a planet, astronomers classify the planets in the solar system into two groups, namely the inner planets and outer planet. The division is based on the distance of the planet to the center of the solar system, namely the sun.

Inner planets are planets that are closer to the sun, smaller, and rocky. While the outer planets are planets that are far from the sun, have a larger size and are partly made up of gas.

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So if ordered by the closest distance from the sun, the inner planets consist of; Mercury, Venus, Earth, Mars. The outer planets appear after the asteroid belt consists of; Jupiter, Saturn, Uranus, and Neptune.

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The following is a list of the names of the planets in the solar system:

1. Mercury

Mercury is the planet closest to the sun with the characteristics of having no moon and having a weak atmosphere containing sodium, hydrogen, helium, and potassium.

2.     Venus

Venus was once considered to be Earth’s twin planet which has a thick atmosphere (containing carbon dioxide and nitrogen).

3. Earth

Earth is known as the only planet in the solar system inhabited by living things that have an atmosphere (nitrogen and oxygen), one moon, and no rings.

4.     Mars

Mars has a thin mixed atmosphere consisting of carbon dioxide, nitrogen and argon.

5.     Jupiter

Jupiter is the largest planet in the solar system that rotates very fast, Jupiter’s atmosphere is very thick consisting of hydrogen and helium.

6. Saturn

Saturn is a planet known for its prominent ring system and even Saturn has dozens of moons.

7.     Uranus

Uranus has dozens of moons and a faint ring system.

8. Neptune

Neptune is the farthest planet that contains water, ammonia, hydrogen, and helium.

Those are the names of the planets in our solar system. Have you memorized it?

Contributors: Dhea Alif Fatikha


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