Why are sunrise and sunset different in outer space than on earth

The sun a. will become a red giant within two to three million years b. is in its main sequence, which willlast thousands of years c. is in its main sequence, which will last billions of years. d. will explode as a supernova after its main sequence

Assume that the banner needs to be 18 feet long instead of 15 feet

Can someone answer this question without telling me to try my best if i don’t finish my flvs work will i not be able to move to the next grade