1. If Uranus’s e ring is 50 km wide and the orbital velocity of Uranus is 6.8 km/s, how long… 1 answer below »

1. If Uranus’s e ring is 50 km wide and the orbital velocity of Uranus is 6.8 km/s, how long should the occultation last that you expect to observe from Earth when the ring crosses in front of the star? (For the purposes of this problem, ignore the motion of Earth.) 2. If Neptune’s clouds have a temperature of 60 K, at what wavelength will they radiate the most energy? (Hint: Use the Wien’s law formula, Chapter 6.)  

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