Lowell, Percival, Observations of Mars canal Sirenius, 1896-1897
Observations of Martian canal Sirenius, December 1896 to March 1897
Tags: Canals, Mars, Percival Lowell
Lowell, Percival 1896, Observations of Mars canal Titan
Observations of Martian canal Titan from August to October 1896
Lowell, Percival 1897, Observations of Mars canal Titan
Observations of Martian canal Titan from January to March 1897
Lowell, Percival 1901, Comparison of Orcus and Erebus
Comparison of Orcus and Erebus as they left the Trivium, April to June 1901
Lowell, Percival 1897, Observations of Mars canal Euphrates
Observations of Martian canal Euphrates, January to March 1897
Lowell, Percival 1894, Observations of Mars canal Sirenius
Observations of Martian canal Sirenius, October 1894
Lowell, Percival, Observations of Mars canal Ganges, 1894
Observations of Martian canal Ganges, October and November 1894
Lowell, Percival, Observations of Mars canal Phison, 1897
Observations of Martian canal Phison, January to March 1897
Lowell, Percival, Observations of Mars canal Euphrates, 1897
Lowell, Percival, Observations of Mars canal Hiddekel, 1896
Observations of Martian canal Hiddekel, August to October 1896
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