valles marinaris
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Valles Marinaris. Valles Marineris. Mars. Early Earth-based observations showed canali on the surface of Mars. Canali means “water channel”. Same as last slide. Sinuous Channels. Sinuous valley Evidence of water flow on Mars!. Mars Topography. Cratered Terrain. The Tharsis Volcanoes. - PowerPoint PPT PresentationTRANSCRIPT
Valles Marinaris
Valles Marineris
Mars
• Early Earth-based observations showed canali on the surface of Mars.
» Canali means “water channel”.
Same as last slide
Sinuous Channels
Sinuous valleyEvidence of water flow
on Mars!
Mars Topography
Cratered Terrain
The Tharsis Volcanoes
Mars
Face on Mars?
Another Face on Mars?
Mars
•Has two moons: Phobos and Deimos
Mars• Two tiny moons, orbit close to Mars' surface.– These are probably asteroids captured by Mars
early in its history.
Two Moons!Look like captured asteroids.
Moons of Mars
Phobos
Deimos
Phobos
Deimos
Mars
• The Viking landers sent back close of views of a barren Martian surface.
1st Photo ever from Mars(1976 Viking Lander)
Viking
Viking
Mars Pathfinder
Mars Pathfinder
Famous Martian Rock
Mars• Mars has neither civilization nor fields of
plants, but microbial life forms still seem possible.
December of 1999
Life on Mars?
• In 1996, a team of U.S. scientists said they had discovered evidence of ancient, single-cell life on Mars…
• ...in remains from a meteorite that plunged to Earth 13,000 years ago.
Layer of rust dustHuge sand stormsvery little atmosphereVisited by Viking and Pathfinder missions
Life?
Martian Sunset
Martian Sunset from Pathfinder
Terrestrial Planet Atmospheres
PlanetMajor
Component Clouds?
Mercury None None
Venus CO2Sulfuric Acid
Earth N2H2O
Mars CO2 Ice (H2O and CO2)
End of inner planet Section.