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44 Episode Planets Planets Icebreakers: You have to name the next three Planets, what do you name them? The earth is destroyed, you have a ship, and can take a team of people. What jobs would you want filled? Waterworld planet? Or Hoth? Definition: a celestial body moving in an elliptical orbit around a star. The International Astronomical Union defined a planet as an object that: * orbits the sun * has sufficient mass to be round, or nearly round * is not a satellite (moon) of another object * has removed debris and small objects from the area around its orbit Planetary History https://www.space.com/25986-planet-definition.html The term "planet" originally comes from the Greek word for "wanderer." Many ancient cultures observed these "moving stars," but it wasn't until the advent of the telescope in the 1600s that astronomers were able to look at them in more detail. Planets in order: “My Very Educated Mother Just Served Us Noodles.” Mercury, Venus, Earth, Mars, Jupiter