Did a Planet Escape the Solar System?

Is it possible we are missing a planet from the original solar system? Watch the scientific process of simulation to consider options for the origin of the solar system. An installment of a solar system playlist shows learners the outcomes of different simulations involving a ninth planet.

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CCSS: Adaptable
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Instructional Ideas
  • Use referenced resources to continue researching the topic
  • After researching the theory, hold a debate asking pupils to argue both sides
Classroom Considerations
  • Consider using the closed captioning option to support ELL/ELD pupils
  • This resource is only available on an unencrypted HTTP website. It should be fine for general use, but don’t use it to share any personally identifiable information
  • Provides information to support different scientific theories
  • Includes simulations to model the scenarios
  • None