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Planetary Configurations (ClassAction)
Note: Same simulator as NAAP Configurations — ClassAction wrapper with Renaissance context.
ClassAction view: named alignments. Mercury–Sun and Venus–Sun are the famous inner-planet encounters; Mars opposition is the bright-in-the-south case for HK.
Greatest eastern elong. (Venus)
Before you start
ClassAction wrapper: named alignments with Renaissance-era language. Same geometry as the NAAP configurations lab, different labels.
Key idea
Conjunction, opposition, elongation, quadrature are the vocabulary Copernicus’s generation used at the eyepiece.
What you see
- Sun, Earth, selected planet
- Named presets including Mercury–Sun and Venus–Sun
Try this
- Greatest eastern elongation of Venus
- Mars opposition
- Then open the NAAP twin
Common mistakes
- Treating this as a duplicate to skip — the names are the lesson
Glossary
- Quadrature
- Planet 90° from the Sun as seen from Earth.