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Solar System Learnings Name ________________________ Directions: Use this sheet to keep track of your notes about what we have learned about the solar system. It will be useful should you want to refer to it for another take home test… Dwarf planets How is a dwarf planet different from a regular (major) planet? How is it different from an asteroid or KBO? How many official dwarf planets are in our solar system? Planet Nine What’s unusual about Planet Nine compared to the orbits of the other major planets in our solar system? How large/massive is Planet Nine? How was it discovered? Formation of the Solar System How old is the solar system? Did it form after the Sun or along with it? What idea do we have for how planets formed? Earth’s Moon How did Earth’s moon form? What are the two major land areas on the Moon? Which is younger? What type of rock makes up the maria? Meteorites Where are the three sources for meteorites? What is a meteor shower? Describe 3 ways to identify a meteorite. Moons and Rings Why do the largest planets have the most moons? How do rings form around planets? Why don’t the small planets have them? How are moons formed/acquired around other planets? Rings don’t last forever. What happens to them over time? What most surprised you or what did you find most interesting? Asteroids and Kuiper Belt Objects (KBOs) How did the Asteroid Belt form? Why isn’t there a planet there instead? How did the Kuiper Belt form? What is an asteroid patrol and why are patrols needed? On average, how often does a large asteroid strike the Earth? Did an asteroid cause the dinosaurs to become extinct? How did that happen? What evidence is there for it? What most surprised you or what did you find most interesting? Planetary Atmospheres and Weather How is weather created on the gas giant planets? How much of a gas giant is actually gas? What evidence do we have for that? What causes the blue-green color of Neptune and Uranus’ atmospheres? What’s unusual about the weather on these planets: Venus Jupiter Saturn Neptune Uranus Why is Earth the only planet with oxygen in its atmosphere? What did you learn about the Great Red Spot on Jupiter other than it is like a big hurricane? What most surprised you or what did you find most interesting? The Edge of the Solar System How far away is the farthest spacecraft? What is its name and where is it now? How can we define the edge of the solar system? What is the problem with defining the edge? What is the heliopause? Why is the heliosphere important for life? Where is the Oort Cloud relative to the Sun, Kuiper Belt and edge of the solar system? What is the Oort Cloud? What most surprised you or what did you find most interesting? Weird Planetary Motions What are shepherd moons? How do planets get moons? Why aren’t there many moons around the terrestrial (small, rocky) planets? What explanations do we have for: Why Uranus is tipped over on its side Why Venus rotates backwards Why do astronomers suspect the Planet Nine came from around another star and was captured by the Sun? What causes eruptions on moons like Io, Europa and Enceladus? What most surprised you or what did you find most interesting?
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