EAS1601_Sample_Exam1_A - EAS 1601 Exam 1, Sample A This is...

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EAS 1601 Exam 1, Sample A This is a sample exam. There is the possibility that the answers here are not correct. Make sure that you carefully determine the correct answers yourself. Although you will be given a formula sheet for the actual exam, all formulae and constants you need for studying are available in your lecture notes.
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NAME:_______________________________ LAB SECTION___________ Page 2 of 9 1. Assume a Star and planet system in another Galaxy. The star has a mass 0f 10 30 Kg, a radius of 5 x 10 5 Km and an average surface Temperature of 10 5 K. A planet (Planet A) orbits the star with an eccentricity that approaches 0, with a semi-major axis of 4 x 10 8 Km. The planet has a radius of 5000 km and a mass of 10 24 Kg. Answer the following questions about this system. a. How long is a “year” on Planet A? (i.e. How long does it take to complete an orbit?) [10 Points] b. What is the primary wavelength of the radiation emitted by the star? [5 Points] c. What is the luminosity of the star? [10 Points]
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This note was uploaded on 02/27/2012 for the course EAS 1601 taught by Professor Lynch during the Fall '08 term at Georgia Institute of Technology.

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EAS1601_Sample_Exam1_A - EAS 1601 Exam 1, Sample A This is...

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