Mathematics, 18.11.2019 20:31 briarajeannette893
Scientists discover two planets orbiting a distant star. the average distance from the star to planet a is 4 au, and it takes 432 earth days for planet a to orbit the star. if it takes 1,460 days for planet b to complete an orbit, what is the average distance from planet b to the star?
a. 6 au
b. 8 au
c. 9 au
d. 13.5 au
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