February 22, 2008

February 22, 2008 - February 22, 2008 CLICKER QUESTION:...

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February 22, 2008 CLICKER QUESTION: concider the following ‘rules for planets’: o Planets orbit the sun in the same direction o Planets rotate in the same direction as the sun does, with the small axial tilts (less than 30 degrees) o Moons orbit the same directions as the planets rotate o Moons are very small compared with their host planet How many of the rules above are really rules, meaning they apply to all planets in our solar system o 2 nd one is wrong o 3 rd one is wrong o 4 th one is wrong o 1 st one is right CLICKER QUESTION: how long would one orbit take if the Earth were moved twice as far from the sun as it is now? o It would take sqrt(8) years (2.8 years) o P^2 = a^3 a increases by 2 a^3 increases by 8 p^2 increases by 8 p^2 increases be sqrt(8) Introduction to the solar system o comparative planetology o basic structure of the solar system o major features of the planets o patterns in the solar system exceptions Comparative planetology
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February 22, 2008 - February 22, 2008 CLICKER QUESTION:...

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