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Statement of a problem № 41095

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The star Rho1 Canori is 57 light-years from the earth and has a mass 0.85 times that of our sun. A planet has been detected in a circular orbit around Rho1 Cancri with an orbital radius equal to 0.11 times the radius of the earth s orbit around the sun. What are? (a) The orbital speed and (b) The orbital period of the planet of Rho1 Cancri?




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