Day 147: Planet Configurations – Inferior Vocabulary

Screen shot 2014-04-23 at 6.31.21 AM

Students in astronomy were introduced to the confusing vocabulary of planetary configurations. Inferior vs. superior planets goes just fine, but things get troublesome when they find that an inferior planet can be in inferior conjunction or superior conjunction and that a superior planet can be in conjunction (note no inferior or superior here) or opposition. This simulation from U of Nebraska-Lincoln helps a lot.

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