The Reddish-ochre Tracts Mars and Its Canals by Percival Lowell (1855 - 1916) 15 min Episodio 14 Listen "The Reddish-ochre Tracts" Reproducir Descargar episodio Ver en sitio original More episodes of the podcast Mars and Its Canals by Percival Lowell (1855 - 1916) Preface On Exploration A Departure-point A Bird’s-eye View of Past Martian Discovery The Polar Caps Behavior of the Polar Caps Martian Polar Expeditions White Spots Climate and Weather Mountains and Cloud Ver todos los episodios Share Facebook Twitter LinkedIn