Flight to mars to send a satellite from earth to mars a, Ask an Expert

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Flight to Mars. To send a satellite from Earth to Mars, a rocket must accelerate the satellite until it is in the correct elliptical orbit around the sun. The satellite does not travel to Mars under rocket power, because that would require more fuel than it could carry. It just moves on a Keplerian orbit under the influence of the sun's gravity. The satellite orbit must have perihelion r = 1 AU, and aphelion r = 1.52 AU.

(A) What is the semimajor axis of the satellite's orbit?

(B) Calculate the time for the satellite's journey. Express the result in days.

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