Sun Accounts for 99.86% of the mass in the solar system navigate_next language Mercury Closest planet to the sun navigate_next language Venus Second brightest natural object in the night sky navigate_next language Earth Only planet known to harbor life navigate_next language Mars Often called the "Red Planet" navigate_next language Jupiter Largest planet in the solar system navigate_next language Saturn Least dense planet in the solar system navigate_next language Uranus Called the "Ice Planet" and is the coldest planet navigate_next language Neptune Farthest planet from the sun navigate_next language Pluto Smaller than most moons navigate_next language