Calling all brainliers the first person to answer gets a brainliest addd 30 points but the answer has got to be right. a total solar eclipse is a rare event. although they occur somewhere on earth every 18 months on average, it is estimated that they recur at any given place only once every 370 years. why are reoccurring solar eclipses so rare? a) because of the rotation of the moon and earth, the three rarely form a straight line. b) the light from the sun usually passes through the moon instead of being blocked by it. c) a total solar eclipse actually occurs monthly, but is only visible from the the equator. d) the moon passes slightly above or below the line between the sun and the earth because of its tilted orbit.