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This interactive star chart explains the different types of stars. Students just click and learn.
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2/13/26 - Happy Valentine's Day! Don't forget to subscribe to MrNussbaum.com! It's only $29 per year for you and unlimited students. Also, please sign up for my newsletter for time-specific activities sent directly to your inbox once or twice per week! Just navigate to any page and it's on the right side.
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