How is the Sun different from planets? a. the sun produces its own light, but planets only reflect light.
b. the sun is spherical in shape, but planets are not.
c. the sun exerts a gravitational pull on objects around it, but planets do not.
d. the sun is made up of elements not found on any of the planets.

A is correct! I want to be an astronaut when I grow up so trust me!

Explanation:

The right answer is a (the sun produces its own light but planets only reflect light)

well first you need the sample of the temperature and gas level. i couldnt write a hypothesis unless i had some data. i think temperature changes will effect volumes of gas because gas changed into a solid or liquid at specific temperatures.