The document describes key facts about the planets in our solar system. Mercury is the smallest planet and closest to the sun. Venus is the hottest planet with a thick atmosphere. Earth has oxygen, trees and plants unlike other planets and a strong magnetic field. Mars has two moons and the largest volcanoes in the solar system, and Curiosity landed there. Jupiter is the largest planet and takes 12 years to orbit the sun, and Juno landed there. Saturn has over 1000 rings and 53 moons made of icy rocks. Uranus spins on its side opposite Earth and has a moon called Miranda. Neptune takes 165 years to orbit the sun, is a gas giant with a Great Dark Spot, and Antenna landed