How about the real Moon orbiting an Earth that kept its present size but were made of liquid water (1.0 g/cm3)? (Give your answer in terms of REarth.)
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- What are the speed and period of a satellite in an 85.00 km altitude lunar orbit? (what is Rmoon?) (mu_moon = 4903 km^3/s^2; v = 1.640 km/s)Imagine that Earth had two identical Moons, following the same orbit but staying 180° apart. What effects would this have on the ocean tides experienced on Earth?(If Pluto has a period of 246yrs, a Mass 1.3x10^22kg of and an orbital eccentricity of 0.25. and it’s moon Charon has a Mass of 1.6x10^21kg, and orbits at a distance of 19,600km) Then what is the Period of Pluto and Charon in seconds
- if earth shrank until its diameter were only 1/4 its present size without changing its mass, what would a 1kg mass weigh at its surface?Who gathered the data that were used to show that the planets travel in elliptical paths around the Sun? Who discovered elliptical orbits? Who explained them?What changes when one is on the moon compared to Earth, weight or mass? Why? Explain.