Use reasoning to lead to the answer of the following question:
The camper looked up at the vast night sky, it left him feeling mighty what?\nOptions:\n- unimportant\n- insignificant\n- stellar\n- somewhat\n- helpless

insignificant
The vast sky is full of multiple elements of universe.

In front of such objects, one feels liek a tiny and inginificant part.

Insignificant means someone who does not hold much value.

.

So, the final answer is insignificant