How big is the sun compared to earth? Astronomy Our Solar System The Sun 1 Answer GiĆ³ Dec 12, 2015 You can compare the radii of the Sun (#692,500 km#) and of the Earth (#6,371km#) to have an idea but.... Explanation: I always find more interesting a visual type of comparison: where the Sun is the basketball and our Earth...the pea!!! Answer link Related questions How does the sun affect our tides? What made the sun? Where did the materials come from? What is the winter solstice? What will our sun become at the end of its life cycle? What is the circumference of the sun? What is the circumference of the Earth's orbit around the Sun? How do you measure the circumference of the earth using sun angles? Does the sun circle around the earth? What is the radius of sun and earth? If the radius of the Earth's orbit around the Sun is 150 million km, what is the speed of the Earth? See all questions in The Sun Impact of this question 6256 views around the world You can reuse this answer Creative Commons License