• Apr 26, 1200


    Romans named Mars after god of war
  • Jul 11, 1576

    Tycho Brahe

    Tycho Brahe
    Brahe made an observatory in Hven. He calculated Mars on in 4min of arc
  • Johannes Kepler

    Johannes Kepler
    Madde two laws and said
  • Galileo

    Galilieo Galilei observes MArs using with a primitive telescope
  • 24 hour cycle

    24 hour cycle
    Christiaan Huygens draws mars using an advanced telescope. He sees the a dark spot goes back to its same position everyday. This means Mars has a 24 hour cycle.
  • Giovanni Cassini

    Giovanni Cassini
    Cassini finds out Mars has 1 day 24 hours in 40meters
  • Polar Cap

    Polar Cap
    Huygen found a polar cap on the southern pole of Mars because he saw white spots.
  • Cap not centered

    Cap not centered
    Giancomo Miraldi discovers that southern cap is not centered on the rational pole.
  • White Spots

    White Spots
    Miraldi questions wheather "white spots" are really ice caps
  • Gulliver's Travels

    Gulliver's Travels
    Jonathan Swift's book , Gullivers Travels mention the Martian moons. they have figured out two lesser star and satellites
  • Dust Clouds

    Dust Clouds
    Honore Flaugergues saw "yellow clouds" that are really dust clouds.
  • Mars is Hotter

    Mars is Hotter
    Mars is hotter than Earth because the polar icecaps melt a lot in the Martian spring
  • Life on Mars

    Life on Mars
    William Whewell says Mars has green seas and red land and he wonders if there is extraterrestrial life.
  • Atlantic Canal

    Atlantic Canal
    Angelo Secci draws Mars and calls Syrtis Major the Atlantic Canal.
  • Rational Period of Mars

    Rational Period of Mars
    Frederik Kaiser calculated the rational period and found out that Mars has 24 hours, 37min., and 22.62 seconds.
  • Detecting Water Vapor and O2

    Detecting Water Vapor and O2
    Pierre Jules Jansen try to detect water vapor and oxygen spectroscopically but were unsuccessful.
  • Names for Mars

    Names for Mars
    Giovanni Schiaparelli chooses names for mapping the features of Mars. Most of the names comes from mythology, history, and many terms for hell.
  • Phobos and Deimos

    Phobos and Deimos
    Asaph Hall discovers both of Mars's moon and name them Phobos and Deimos after the the horses of Ares,Greek war god.
  • No Canals

    No Canals
    Edward Emerson Barnard has found no evidence that there are canals on Mars.
  • Mariner 4

    Mariner 4
    Was launched to Mars successfully on an eight month voyage.
  • Mariner 7 and 6

    Mariner 7 and 6
    Mariner 6th was launched and was the first dual mission to mars with Mariner 7 (March 27). They flew over the equator and south polar regions. Using remote sensors they found out that the dark features on the surface are not canals.
  • Mariner 9

    Mariner 9
    Mariner 9 was the first satellite to orbit Mars and funtion properly for a year.
  • Viking 1&2

    Viking 1&2
    Viking 2-Sept. 20,1975 - August 7 1976; Viking 1- June 19, 1976
    The Viking Mission was the first mission to land a space craft on Mars. It conducted to find any signs that there was life on mars.
  • Mars Observer Fail

    Mars Observer Fail
    The Mars Observer, a space craft sent to Mars , failed when all contact with the spacecraft was lost right before it was going to orbit Mars.
  • Mars Global Surveyor

    Mars Global Surveyor
    This was the first successful mission on Mars in 20 years. Afterits mapping missin on March 1999 it has continued to orbit Mars ever since.
  • 2001 Mars Odyssey

    2001 Mars Odyssey
    This spacecraft has collected over 130,000 pictures and continuse to send information. This spacecraft is still in orbit.
  • Mars Science Laboratory

    Mars Science Laboratory
    This will collect Martian soil and rock to analyze for organic compounds that could support life now or in the past.