The 10 largest satellites in the Solar System

Translated from: ... tema-solar
Please correct me if there is some mistakes at following text:

A natural satellite is a celestial body that orbits another most-sizable body. A great example is the moon that orbits the earth. There are 8 planets in our Solar System, and these planets are orbited by about 170 known natural satellites (also called moons). Only Mercury and Venus don't have any natural satellites.

The Solar System's Satellites have variables dimentions. Some moons has a thousands of kilometer in diameter, some has about 1 km. Check below the 10 largest satellites in the Solar System:

1º Ganymede – The largest moon in solar system and also the largest Jupiter's moon, it has a diameter of 5,262 km and was discovered by italian astronomer Galileu Galilei in 1610.

2º Titan - The second largest moon in Solar System and the largest Saturn's moon with 5,150 km in diameter. This is the only moon in Solar System that has a dense atmosphere. Titan was discovered by Dutch astronomer Christiaan Huygens in 1655.

3º Callisto - In Third position, it is a Jupiter's moon having 4,820 km in diameter. Callisto was discovered in 1610 by Galileu Galilei.

4º Io - Another Jupiter's moon. It has a diameter of 3,642 and is characterized by intense volcanic activity, being the object with most volcanic activity in the entire Solar System. It was also discovered by Galileu Galilei in 1610.

5º Moon - Our natural satellite ranks the fifth position. It has 3,475 km in diameter, 1/4 of diameter compared with earth, in other words, the Moon is the largest satellite relative to its planet, however the fifth speaking in absolute terms.

6º Europa - A Jupiter moon which has 3,121 km in diameter. Under your ice crust, there is the possibility of a salty ocean. Europa was discovered by Galileu Galilei in 1610.

7º Triton - The largest Nepturn's moon ranked at seventh position with a diameter of 2,706 km. Because your far distance from the Sun, Triton is one of most coldest obect in Solar System reaching -235°C. It was discovered in 1846 by english astronomer William Lassell.

8º Titania - The largest Uranus's moon has 1,577 km in diameter. Titania was discoved by Uranus discoverer, William Herschel in 1787.

9º Rhea - the nineth largest moon in Solar System and the second from Saturn has 1.528 km in diameter and was discovered by italian astronomer Giovanni Cassini.

10º Oberon – in last position is an Uranus's moon. It diameter is 1,523 km and was discovered by William Herschel in 1787.

There are various other satellites above 1000 km in diameter, Saturn's moon Iapetus, Dione, Tethys and Uranus's moon Umbriel and Ariel are the most notables.
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Avatar do usuário PPAULO 39205 6 32 684
I made a cursory reading and this sentence caught my eye, here with my suggestion.

The Solar System's Satellites have several dimensions.
The Solar System's Satellites have some different/many dimensions.
The Solar System's Satellites have a variety of dimensions.
Avatar do usuário Marcio_Farias 12350 1 22 206
Corrigindo a pedido:

"... if there are mistakes in the following text".


Oberon... its diameter...