New Evidence for Planet 9!

Could there be a planet in our solar system we have yet to uncover? Researchers believe several discoveries in the outer solar system suggest just that! Part of the SciShow playlist, a video presentation discusses these discoveries and why the behaviors they have observed may lead to the detection of planet number nine!

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CCSS: Adaptable
Instructional Ideas

  • Have learners view the video independently, allowing them to watch and rewatch as necessary
  • Lead a class discussion to help pupils process the information in the video
Classroom Considerations

  • Requires a strong understanding of rotation and revolution tendencies in the solar system

  • Uses comparisons to help learners understand distance references
  • Provides links to references to facilitate further research

  • None