He looked up for a certain star, it was the one that helped him spot the rest of the what?\nOptions:\n- solar system\n- night sky\n- hollywood\n- constellation\n- red carpet
Let's be accurate as possible. Think before you answer.
constellation
He spotted the whole constellation when he looked at a certain star.

As he looked up for a certain star it was the one that helped him spot the rest of the constellation.

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So, the final answer is constellation