What was the likely interpretation of some of the markings Lowell observed, aside from psychological illusions?
Answer
Large, naturally occurring geological features
Some markings Lowell mapped were likely large, naturally occurring geological features like canyons or dark plains, which the mind simplified into straight lines.
Related Questions
Who first noted the dark lines on Mars, calling them *canali*?What English word rendered Schiaparelli's *canali* and cemented the artificial concept for Lowell?Approximately when did Percival Lowell commence his systematic survey of Martian linear features?What did Lowell conclude built the Martian canals?According to Lowell's interpretation, what was the primary function of the Martian canals?What did Lowell interpret the linear markings as definitive evidence of?What ultimate consensus formed regarding the nature of Lowell's extensive canal network?Which specific visual phenomenon contributes to the illusion of continuous lines under poor viewing conditions?Where did Lowell establish his observatory to conduct his Martian surveys?What was the likely interpretation of some of the markings Lowell observed, aside from psychological illusions?