NATS 1880 Chapter Notes - Chapter 8: Permafrost, Photodisintegration, Hematite
Document Summary
Why is mars so popular: began with w. herschel in late 18th c, prime astronomers of the day, he was able to take observations of mars. Earth"s: livable but you can"t start walking on it today. The southern polar cap gets more of an effect. In the winter, carbon dioxide condenses in the polar caps. Residual northern polar ice cap in summer (water ice: difference between evaporation and sublimation: evaporation: from a liquid to a gas sublimation: from a solid to a gas. Mars environment: dust storms arise often, moving large quantities of soil, changing the surface appearance (revealing or covering darker underlying rock), covers some stuff and uncovers some stuff, not different seasons and such. Martian dust devils: dust devils are generated from ground heating and can exceed terrestrial counterparts in size. Major surface features: the largest volcano in the solar system, olympus mons. Mantle plumes allow a continuous building of volcanic structures.