If we are so small and the earth isn't even the center of our solar system, why are humans significant in the vast universe​

Unique physical appearance, behaviour and intelligent mind.

Explanation:

Humans are significant in the vast universe because of their unique physical appearance, behaviour and mind. Humans are ​the most powerful social animals on the planet of earth due to their intelligent minds which able them to formed certain technologies which help them to find out the life on other planets which is farther about millions of kilometers from the earth. There is no life on other planets except planet earth so that's why humans are significant in the vast universe.

the earthquake in haiti was a magnitude of 7.0 according to the u.s geological survey yet the smaller earthquake in haiti killed more than 200,000 and left more than 1.2 million people homeless. the chile earthquake was a magnitude of 8.8 and 500 times more stronger but chile's earthquake only injured 712 people.