MATH 246 Midterm: Exam 3 Solutions Spring 2011
14 Mar 2019
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A rock is: a specific chemical compound, a collection of minerals, any hard material made of planetary elements, an inorganic compound. The chemical composition of the sun is: all of the above the same as the whole earth the same as the most primitive meteorites the same as all other stars. The following are all features of impact craters: ejecta blanket, central uplift, rim. A mineral is: a specific chemical compound, a collection of small rocks, any hard material made of planetary elements, an inorganic compound. 3 the mix of chemical constituents the overall rotation of the nebula the density of hydrogen gas in the nebula the temperature distribution within the nebula. Consistent with the chemical composition of the moon, the current concept of lunar origin is the: capture theory, fission theory, giant impact theory, sister theory. The remnants of the original planetesimals that formed the planets are called: meteorites, comets, meteoroids, asteroids.
