diff --git a/00.brainstorming-pedagogical-teams/40.collection-existing-pedagogical-content/04.reference-frames-coordinate-systems/situate-on-earth/duration_day_night_explanation_2.jpg b/00.brainstorming-pedagogical-teams/40.collection-existing-pedagogical-content/04.reference-frames-coordinate-systems/situate-on-earth/duration_day_night_explanation_2.jpg new file mode 100644 index 000000000..badeaee18 Binary files /dev/null and b/00.brainstorming-pedagogical-teams/40.collection-existing-pedagogical-content/04.reference-frames-coordinate-systems/situate-on-earth/duration_day_night_explanation_2.jpg differ