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Planet Tatooine in a galaxy far far away has 2 moons, Amana and Endinus. Amana has...

Planet Tatooine in a galaxy far far away has 2 moons, Amana and Endinus. Amana has a period of 14 hours 24 minutes and an average distance from the centre of Tatooine of

1.38 x 10^5 km. The average distance of Endinus from the centre of Tatooine is 2.38 x 10^5 km.

a) What is the orbital period of Endinus?

b) Determine the mass of Tatooine.

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