Complex sentence: These were a network of long straight lines that appeared in drawings of the planet Mars in the equatorial regions from 60 ° N. to 60 ° S. Lat., first observed by the Italian astronomer Giovanni Schiaparelli during the opposition of 1877, and confirmed by later observers.
Split into simpler sentences: These were a network of long straight lines in the equatorial regions from 60 ° N. to 60 ° S. Lat. They were first described by the Italian astronomer Giovanni Schiaparelli during the opposition of 1877, and confirmed by later observers.