Crucigrama SpaceVersión en línea A crossword about space and the universe. por Emma Sankey 1 Distances in space are measured in... 2 Between the inner and outer planets, there is a belt of... 3 The smallest planet in our solar system is... 4 The explosion that created the universe is called the... 5 The biggest planet in our solar system is... 6 Planets orbit the Sun because of the force of... 7 The Milky Way is a... 8 The Earth is a... 9 The Sun is a... 10 The inner planets are made of... 11 The outer planets are made of... 11 4 3 6 5 8 9 10