The stars that are visible in the local sky on any clear night of the year, at any time of the night, are called Circumpolar stars.
A circumpolar star is a star that is close to one of the celestial poles and never sets below the horizon hence they are visible from one location throughout the year and one can even see them in the daytime if the sun does not glare.
The answer is A (lunar eclipse)
Explanation: a full moon would be a bright round object, not dark, and both the first and third quarter moons are essentially what we call “half moons” because we only see half of the circle. Thus, neither could be classified as a “large dark object”, so A is the only answer that works
It divides the Atlantic Ocean.