Fill in the Blanks Our solar systemOnline version planets , superlative by Maritina Liatsi 1 Our solar system is made of . The sun is actually not a planet but a . Closest to the Sun is Mercury which is the planet . After Mercury comes Venus which is the planet and has extremely strong . Our planet , which is the only one that supports life is and it is covered in . The " Red Planet " or else has many volcanoes . After Mars , there is Jupiter which is the planet . The next planet , has big around it , made of rock and ice . One of the planets is Neptune because it is the furthest from the . While do research they live in a space up in space which is the object that people ever sent to space .