ATOC 181 Study Guide - Quiz Guide: Andrea M. Ghez, Outer Core, East African Rift
25 Feb 2016
School
Department
Course
Professor
Document Summary
The andromeda galaxy is a spiral galaxy probably not very different from our own. What is our current best estimate of the number of stars in the andromeda. The earth"s global magnetic field is maintained by. A geodynamo that produces a field through a process closely tied to the circulation of fluid iron in the liquid layer of earth"s core: spin-orbit resonance. Neptune and uranus in orbit about the sun: moon"s recession. We have, since the apollo astronauts installed laser retro-reflecting mirrors on the surface of the moon, measured the increasing distance between earth and the moon and (hence) the lengthening orbital period . The pressure of mars" atmosphere at its surface (complete sentence) is about 0. 01 (1- one hundredth) that of the earth"s atmospheric pressure. Earthquake distribution: about 70% of all earthquakes occur along the subduction zones. Where lithospheric plates are either separating or slipping past each other: on shield volcanoes in the solar system.
