Our closest Solar System is Alpha Centauri System.
There are eight planets in the solar system, but the planet closest to the sun is Mercury.
Ganymede
Mercury is the planet in our solar system that is closest to the sun.
In our solar system its Venus. Although it's only the second closest planet to the sun after mercury, it has a thick atmosphere which helps to retain it's heat.
The closest one is the sun ... it's right in the center of the solar system.The next nearest is one of the components of the multiple system called Alpha Centauri,at the minuscule distance of only 4.2 light years from the solar system.
My solar system contains only one star. We call it "the sun".
The sun in our solar system.
mercury is the closest planet to the sun
The sun is THIRD CLOSEST IN OUR SOLAR SYSTEM GET SOME FACTS gosh.
There is only one star in our solar system. It is called Sol.
The Solar System is about 4.6 billion years old.
It is the closest planet to the sun.