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Material Detail

What is a Planet and Why is Pluto Not in the Planet Club Anymore?

What is a Planet and Why is Pluto Not in the Planet Club Anymore?

A brief article for educators and the interested public on what happened with the "demotion" of Pluto and what the historical background is for appreciating the sequence of events.
Keywords:
planet definition, solar system, Pluto, astronomy education, astronomy, asteroids, International Astronomical Union, astronomy teaching
Disciplines:
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More about this material

Material Type:
Tutorial
Date Added to MERLOT:
July 26, 2008
Date Modified in MERLOT:
January 21, 2014
Author:
Submitter:
Andrew Fraknoi
Primary Audience:
Grade School, Middle School, High School, College General Ed, College Lower Division
Technical Format:
Website
Mobile Compatibility:
Not specified at this time
Language:
English
Cost Involved:
No
Source Code Available:
Unknown
Accessibility Information Available:
Unknown
Creative Commons:
No

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