Earth Sciences:
Geodetics & Astronomy

It's a Big Universe

Compute the distance to several astronomical bodies, and how long it would take to get there with various modes of transportation.

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Mission to the Moon

For the orbital motion of the moon, we use the fact that the moon completes one orbit (360°) every 655 hours to set up the proportion h/655 = n/360, where h = the number of hours that have passed and n = the number of degrees that the moon has moved in its orbit.

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Planet Paths

Determine which function represents the relationship between the time duration of a planet's orbit and its average distance from the sun.

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