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Triple J: Why is Pluto not a planet?

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Dr Karl Kruszelnicki sits at microphone in radio studio
Triple J: Why is Pluto not a planet?

SUBJECTS:  Science

YEARS:  5–6, 9–10


Watch this clip and learn why Pluto was taken off the official list of planets.

Dr Karl Kruszelnicki explains the three criteria that must be met before planets can be called planets. What are they?



Date of broadcast: 15 Sep 2016


Copyright

Metadata © Australian Broadcasting Corporation and Education Services Australia Ltd 2012 (except where otherwise indicated). Digital content © Australian Broadcasting Corporation (except where otherwise indicated). Video © Australian Broadcasting Corporation (except where otherwise indicated). All images copyright their respective owners. Text © Australian Broadcasting Corporation and Education Services Australia is licensed under a Creative Commons Attribution-ShareAlike 4.0 International License (CC BY-SA 4.0).

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