Mars Review
Who are Giovanni Schiaparelli and Percival Lowell?
Italian astronomer who found canals and American astronomer who studied/ observed the canals
What is the mass of mars compared to the earth?
Mars has 10% the mass of earth
Compare the days, seasons, and years of mars and earth.
Mars: 40 minutes longer in a day, 1.88 in a year, seasons are longer and summer is the longest by 1 month.
What is the size difference of Mars, Moons, Venus, Earth and Mercury?
Moon, Mercury, Mars, Venus, Earth
Know the difference between the Northern and Southern Hemisphere on Mars.
Northern Hemisphere= Younger, Smoother Southern Hemisphere= Older with more craters
What is the largest land feature on the surface of mars?
Olympus Mons
What was the most likely source of the water that formed the huge outflow channels of Mars?
Rare catastrophic floods
Why is the Martian surface red?
Rust (feO2)
What Land features cover the surface of mars?
Sand Dunes
What region of mars has huge shield volcanoes and lava flows on a gigantic bulge opposite the Hellas Basin of the Southern Hemisphere?
Tharsis
Know what the global surveyor is and what it accomplished?
1998 high resolution photos including recent mud and water flow
Mars has an axial tilt of?
25 degrees
The day time temp. on mars can reach what temperature F?
28F on the equator -3C
The day difference of Mars and Earth is?
40 minutes
Compare the surface gravities of Earth and Mars and its impact on the atmospheres.
40% of earth's and less of an atmosphere because of it
Why are Mar's seasons more extreme than ours?
Axial tilt, Atmosphere is thinner, orbit more eccentric, and changes phases seasonally
What is the atmosphere of mars mostly composed of?
CO2
What are the polar ice caps composed of on mars?
Dry ice, CO2 + frozen liquid water
What was observed from earth, prior to spacecraft missions to Mars?
Duet storms covering the planet, Polar ice caps changed
The residual polar cap that does not vanish during the Martian Summeris:
Frozen water, ice
What is not on mars right now?
Global Surveyor
What is the largest and deepest impact on mars?
Hellas Basin in the Southern Hemisphere
Why does mars have a red appearance?
The iron oxide crust
Know what Demos and Phobos are?
The moons of mars have weak gravity. Phobos is the largest and they are probably asteroids, not comet nuclei
Know the aspects of Valles Marineris and its comparisons.
Valles Marineris would reach from LA to N.Y. wide enough to have Lake Superior in it.
What is the order of the terrestrial planets magnetic fields?
Venus, Mars, Mercury, Earth
What erosive power of the Martian surface is the most prevalent?
Wind
