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The names of the planets in the solar system in English: Mercury, Venus, Earth, Mars, Jupiter
The names of the planets in the solar system in English: Mercury, Venus, Earth, Mars, Jupiter
What do we learn in this article?
- The names of the 8 planets in the Solar System in English
- Some other related vocabulary in the Solar System
- Why was Pluto excluded from the list of planets
1. The names of the 8 planets in the Solar System
The Solar System, or the Solar System, is a planetary system with the Sun at its center and celestial bodies within the gravitational pull of the Sun. Most celestial bodies orbit the Sun, and mass primarily concentrates on the following 8 planets, with nearly circular orbits and nearly coplanar orbits called the ecliptic plane.
Venus: Planet Venus
Jupiter: Planet Jupiter
Mercury: Planet Mercury
Mars: Planet Mars
Saturn: Planet Saturn
Uranus: Planet Uranus
Neptune: Planet Neptune
Earth: Planet Earth
In which:
- The 4 inner small planets include: Venus, Mercury, Mars & Earth
- The 4 outer giant planets include: Jupiter, Saturn, Uranus & Neptune
2. Some other related vocabulary:
Solar System: Solar System (Thái Dương Hệ)
Sun: Sun
Planet: Planet
Asteroid or Minor planet: Dwarf planet
Comet: Comet
Pluto: Pluto
3. Why was Pluto excluded from the list of planets
Before 2006, Pluto (in English, Pluto) was classified as one of the 9 planets in the Solar System, mainly composed of rock and ice, with a relatively small size, approximately one-fifth the mass and one-third the volume of Earth's Moon. However, at the end of the 20th and early 21st centuries, many objects similar to Pluto were discovered outside the Solar System, most notably the scattered disk object Eris.
For that reason, in 2006, the International Astronomical Union first defined the term 'planet' and Pluto was classified into a new category called 'dwarf planet,' often translated as 'minor planet.' Accordingly, all objects in the Solar System are classified into one of three types: planet, dwarf planet, and small Solar System body.
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