In the days preceding a recent lunar eclipse, my daughter saw an illustration that seemed to show that the Moon's diameter was just about equal to the width of the penumbra. She conjectured that if that were true, it may be because of the fact that the apparent diameter of the Moon (as seen from… Continue reading Astronomy and Geometric Construction
Tag: Astronomy
Astronomy!
I just posted a six-week naked-eye astronomy unit I developed as an elementary school teacher, decades ago. The documents are a little shabby, but the lessons should work in grades 4 and up. --Henri
Henri's Math Education Blog 