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Lecture14_110f2007

Lecture14_110f2007 - The Solar System consists primarily of...

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1 The Solar System consists primarily of: A. Rock. B. Metal. C. Hydrogen and Helium. D. Hydrogen compounds. The Solar System consists primarily of: A. Rock. B. Metal. C. Hydrogen and Helium. D. Hydrogen compounds. Which of the following statements is incorrect. A. Terrestrial planets are smaller in size and mass than the Jovian planets. B. Jovian planets are denser than the Earth-like planets. C. Terrestrial planets are made mostly of rock and metal, whereas the Jupiter-like planets consist primarily of H, He, and H-compounds (ices). D. Jovian planets have rings unlike terrestrial planets. Which of the following statements is incorrect. A. Terrestrial planets are smaller in size and mass than the Jovian planets. B. Jovian planets are denser than the Earth-like planets. C. Terrestrial planets are made mostly of rock and metal, whereas the Jupiter-like planets consist primarily of H, He, and H-compounds (ices). D. Jovian planets have rings unlike terrestrial planets. The asteroids and rocky and the comets are icy because: A. Asteroids formed inside the frost line, whereas comets originated from regions outside the frost line. B. They all formed in the same place, but eventually comets were pushed outside the frost line. C. They all formed in the same place, but eventually asteroids ended up between Mars and Jupiter because of Jupiter’s strong gravity. D. All of the above. The asteroids and rocky and the comets are icy because: A. Asteroids formed inside the frost line, whereas comets originated from regions outside the frost line. B. They all formed in the same place, but eventually comets were pushed outside the frost line. C. They all formed in the same place, but eventually asteroids ended up between Mars and Jupiter because of Jupiter’s strong gravity. D. All of the above.
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2 How do we know how old the solar system is? A. From estimating how much mass the Sun has burnt so far. B. From radiometric-dating analysis of meteorites. C. From knowing the chemical composition of the solar nebula compared to that of the Universe after the Big Bang. D. From analysis of volcanic rocks on Earth. How do we know how old the solar system is?
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