FTP, name this Italian astronomer, who is best known for his observation of dark lines on the surface of Mars, which he thought were canals.
In 1866 he demonstrated that meteors follow cometary orbits, and identified the comets which were associated with the Perseid and Leonid meteor showers. Director of the Milan Observatory for 40 years, in 1877 he identified the direction of the axis of rotation and discovered the southern polar ice cap of Mars. FTP, name this Italian astronomer, who is best known for his observation of dark lines on the surface of Mars, which he thought were canals.
In 1866 he demonstrated that meteors follow cometary orbits, and identified the comets which were associated with the Perseid and Leonid meteor showers.
Giovanni Virginio {Schiaparelli}