- A planet is a kind of celestial object / body
- Earth is a kind of planet
- So, earth is a kind of celestial object

- Earth is a kind of celestial object
- A star is a kind of celestial object / celestial body
- As distance from an object decreases , that object will appear larger
- Hence, as the distance from a star to earth decreases, the star will appear larger

- As the distance from a star to earth decreases, the star will appear larger
- The sun is the star that is closest to earth
- So, the sun will appear larger than other stars because it is the closest star to earth

So, the sun will appear larger than other stars because it is the closest star to earth
Question
The Sun appears larger than other stars because of its

Context
- A planet is a kind of celestial object / body 
- A star is a kind of celestial object / celestial body 
- The sun is the star that is closest to earth 
- As distance from an object decreases , that object will appear larger 
- Earth is a kind of planet