As a special planet in the solar system, the earth mainly displays in the following aspects
There's liquid water on the surface, there's life
Is the solar system full of planets or stars
There is only one star in the solar system: the sun has eight planets: water, gold, earth, fire, wood, earth, king of heaven, king of sea. Among them, Pluto has been eliminated. The detailed information of the solar system is as follows: solar system is our present star system
What are the closest planets and stars outside the solar system
The nearest star is neighboring star. It's 4.22 light-years away from us. Few extrasolar planets are known at present. Because the planets are not luminous and small, it's hard for us to see them even at 4.22 light-years