'Life on Mars', Harpers
1980s; 1989; 1989-8-1; Cosmology; Exploration; Life on other planets; Mars (Planet); Physics; Turner, Frederick W.
'Different explanations of the canals of Mars', Harpers
1900s; 1908; 1908-1-1; Astronomy and Astrophysics; Canals; Life on other planets; Mars (Planet); Observations; Physics; Pickering, William H. (William Henry); Surface
atom, dcmes-xml, json, omeka-xml, rss2