EESC 1158 Lecture Notes - Celestial Sphere, Deferent And Epicycle, Radiometric Dating
11 Mar 2014
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Exam 1 questions: why are meteorites thought to be representative of the age of the earth, according to nebular theory, they are believed to have solidified at, what are meteorites? the same time as the earth. Remains of rocky and metallic material that fall to the earth from interplanetary space: radiometric dating shows the oldest earth rock is about 3,8 billion years old. Age of the earth is estimated to be around 4. 56 billion years old. Age of the earth is estimated by radiometric dating of meteorites. Kepler forumatled the 3 laws of planetary motion: laws are empirical, they correctly describe what kepler observed but they don"t tell us why. Wasn"t able to explain the forces which drove this phenomena. Time required for half of the nuclei in the sample to decay. Epicycles and deferents: true: most planets have a very low eccentricity . Celestial sphere- starts are attached and travel around the earth daily.
