Milestone Observations of Mars Before the 20th Century

   

 Date

Event

1546-1601

Tycho Brahe collects very accurate positions of Mars.

1571-1630

Johannes Kepler calculates elliptical orbit for Mars.

1610

Galileo Galilei points "optic tube" to heavens, records observations of disk and phases indicating a spherical body illuminated by the Sun.

1600s

Kepler suggests that Mars must have two moons.

1629

Christiaan Huygens observed an approximate 24 hour day on Mars

10/13/1659

First sketch of Mars from a telescope.

1672

Huygens observes white spot at south pole.

1727

Gulliver's Travels written by Jonathan Swift. He includes Mars and the two yet undiscovered moons in his story.

 1784

25° axial tilt identified William Herschel.

 1840

First global maps, Wilhelm Beer & Johann Madler.

 1863

First color sketches, Father Pietro Angelo Secchi.

 1867

First attempts to detect oxygen and water vapor spectroscopically, inconclusive results, Pierre Jules Janssen.

1877

Asaph Hall gives up his search for Martian moons but the next day, at the insistence of his wife, he detects a faint object near Mars.

 1879

Schiaparelli reports double canali.

 1886

Two French astronomers "confirm" canali.

 1894

Percival Lowell builds an observatory in the territory of Arizona, at Flagstaff and dedicates himself to Mars observations.

 1894

Edward Emerson Barnard reports his complete failure to detect canals.

 1895

Mars published, Percival Lowell.

 1898

War of the Worlds published, Herbert George Wells.


 

History of Mars Part II (NEXT)