Who Am I ?

I have lots of craters. I am grey. I am the smallest planet. Who am I ?

I spin in the opposite direction to Earth. I have volcanoes. I am the hottest planet. Who am I ?

I am the biggest rocky planet. I look green, blue and white. I  am the only planet with life on it. Who am I?

I look red. I am a rocky planet. I am half the size of Earth and almost half the size of  Venus.Who am I ?

I have 79 known moons. I am a gas giant. I look orange, brown, yellow and red. Who am I?

I take 29 Earth years to orbit the sun. I have a ring around me. I am the second biggest planet in the solar system. Who am I?

I look blue. I am a gas giant. I am the second closest planet to the end of the solar system. Who am I?

I am a gas giant. I am the furthest away from the sun. I am the windiest. Who am I?