MARS MARKINGS Crossword Clue
MARS MARKINGS Crossword Clue
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Crossword Puzzle Infos
The term 'Mars Markings' refers to the canals that were observed on the surface of Mars in the late 19th and early 20th centuries. These canals were thought to be evidence of intelligent life on the planet, but were later found to be an optical illusion caused by the low-resolution telescopes of the time.