Relier Pairs Matching Solar SystemVersion en ligne Third Grade, Social Science, Chapter 5, ESL par Mikaela Parenti 1 2 3 4 5 6 7 8 The planet furthest from the sun. It is dark and cold. It’s surface is covered in a mineral called iron oxide. This makes it look red. This planet looks blue because of the methane gas in the atmosphere. The only planet that has rings we can easily see. It has a dense atmosphere that retains the heat from the sun. It is the warmest planet. It is unique because it is the only planet that has the right conditions for life to exist. We live here. The planet nearest to the Sun, it is the smallest planet in the Solar System. The biggest planet. It has almost 70 satellites.