Question: 3 . An exoplanet (a planet orbiting a star other than the sun) has a mass of 2.5 x Earth's and orbits the star at

3 . An exoplanet (a planet orbiting a star other than the sun) has a mass of 2.5 x Earth's and orbits the star at a distance of 275 million kilometres. It has an orbital speed of 45.6 km/s. What is the mass of the star? Answer: moirawob be belcar Level Descri 4 Completely correct 3 Mistakes are not conceptual but simple calculation errors 2 Small conceptual errors or major calc/math errors 1 Major conceptual errors but solution presented

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