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Khi nao dung Lunar Nodes and Eclipse Seasons 3D Explorer


Use this explorer when you want to see why eclipses are rare, and skip it when you want a single eclipse drawn in detail.


The numbers side by side

AspectLunar Nodes / Eclipse Seasons 3D ExplorerTypical alternative
Install size0 MB - runs in the browserDesktop planetarium install varies
PriceUSD 0Often paid software
Node regression / seasons18.6-year node lap; seasons ~173 days apartStatic eclipse calendar without node scrub
  • Explaining why a New Moon usually misses the Sun
  • Showing the nodes and the eclipse seasons twice a year
  • Linking the node regression to the Saros rhythm

This is an educational visualization with an exaggerated tilt and sped-up motion.

Walk the controls in the step-by-step guide, or compare options in vs alternatives. Open the Lunar Nodes and Eclipse Seasons 3D Explorer.