Select the most appropriate option that can replace the bracketed word segment in the following sentence.
An (imperfect positioning) of the Sun, Earth and Moon results in the Moon passing through only part of Earth’s umbra, resulting in a partial lunar eclipse.
Show answer & explanation
Correct answer: D
Explanation
The correct answer is option 4 i.e. imperfect alignment.
- "Imperfect alignment" is the correct term because "alignment" refers to the proper positioning of celestial bodies, which is relevant in astronomy when discussing eclipses.
- The other options (alliance, revolution, allegiance) are not related to the positioning of objects in space.