Mercury is the closest planet to the sun in our solar system.
The closest planet to the sun in our solar system is Mercury.
The planet closest to the sun in our solar system is Mercury.
The planet closest to the sun in our solar system is Mercury.
The planet closest to the sun in our solar system is Mercury.
Mercury is the closest planet to the sun in our solar system.
The closest planet to the sun in our solar system is Mercury.
The planet closest to the sun in our solar system is Mercury.
The planet closest to the sun in our solar system is Mercury.
The planet closest to the sun in our solar system is Mercury.
The closest planet to the sun in our solar system is Mercury.
Mercury is the planet in our solar system that is closest to the sun.
Earth is the third closest planet to the sun.
Mercury is the closest planet to the sun in our solar system.
The first planet closest to the sun in our solar system is Mercury.
The first planet closest to the sun in our solar system is Mercury.
The closest thing to the sun in our solar system is the planet Mercury.