Concetti Chiave
- The Solar System is over 4 billion years old, comprising the Sun and celestial bodies such as planets, asteroids, and comets.
- There are eight main planets: Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus, and Neptune, with Pluto categorized as a dwarf planet.
- Mars, known as the Red Planet, shares similarities with Earth, such as volcanoes and valleys, and was once capable of supporting an atmosphere.
- Uranus, Jupiter, Saturn, and Neptune have rings, with varying numbers and mysterious origins, and are composed of floating rocks in space.
- Jupiter is the largest planet, characterized by orange clouds and intense storms, while Saturn is noted for its visually striking rings and numerous moons.
The Solar System consists of the Sun and everything that travels around it (planets, asteroids and comets). Astronomers think the Solar System is more than 4 billion years old. The eight main planets are Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus and Neptune. Pluto is now a minor or a dwarf planet, it’s also the coldest planet and the furthest away from the Sun. Venus is the hottest planet, but the closest to the Sun is Mercury.
Mars is the nearest planet of the Solar System to Earth and it’s dry and small.
Uranus, Jupiter, Saturn and Neptune all have rings. They are rocks that floating in space, scientists don’t know where rings come from or how they formed. Every planet has differents numbers of rings. Neptune has four rings and four moons. It stands at the edge of the Solar system and it’s as big as Earth. It has a blue surface.
Uranus has eleven rings and fifteen moons. It consist of gases (methane, hydrogen and helium) and the atmosphere around it is a greenish colour. Uranus is a very cold planet, the average temperature is about – 205° C.
Jupiter is the biggest planet, it looks orange from space because it’s covered in orange clouds of gases. Very strong winds blow this clouds and cause huge storms. Astronomers think the planet core is a sphere of rock six times hotter than the Sun surface.
Saturn is nearly as big as Jupiter. We can see its rings from the Earth, they are very colourful and because of this scientists say that it’s the most beautiful planet. It has 18 moons, but some astronomers think that Saturn has more moons than this. Its moons came from a largest moon which broke up.
Domande da interrogazione
- ¿Cuántos planetas principales componen el Sistema Solar y cuáles son?
- ¿Por qué Marte es conocido como el "planeta rojo"?
- ¿Qué características hacen que Saturno sea considerado el planeta más hermoso?
El Sistema Solar está compuesto por ocho planetas principales: Mercurio, Venus, Tierra, Marte, Júpiter, Saturno, Urano y Neptuno.
Marte es conocido como el "planeta rojo" debido a su superficie rocosa de color rojo.
Saturno es considerado el planeta más hermoso debido a sus anillos coloridos, que son visibles desde la Tierra.
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