ASTR 1101 Study Guide - Final Guide: Polar Ice Cap, Permafrost, Silicate Minerals
Document Summary
Some to the north and south ice cap, some frozen in permafrost, some in atmosphere. V: curiosity didn"t find any (maybe it wasn"t looking in the right time or place) Meteors: when an asteroids gets hit/smashed small rocks get thrown off and fall into their own orbit, some of these orbits will pass earth"s orbit, some may even pass through. Greenhouse effect: greenhouse gases, co2, methane, nitrous oxides, transparent to the eye, opaque in infrared, greenhouse effect, atmosphere is heated in optical, atmosphere cools in infrared, gases stop surface from cooling. Climate change causes: drought, australia will go into permanent severe drought (farming and livestock will be lost, flooding, floods in pakistan (2000 died, 13,000,000 people were displaced) Effects over our lifetimes: temperature rise of 4-10 degrees, ocean level rise of 1. 5-4 feet, droughts in some regions, great increase in rain in some regions, louisiana, loose about 4000 square miles of land to sea.
