Week 25 — What Is a Rainbow?

1. For Lucy 悟

   The science: refraction, reflection, dispersion.

2. For Lucas 空

   The physics of light and color.

3. Three-Eyed Seeing 三眼观世

   Third Eye: Science

4. 候 · Waiting & Watching

   Go outside after dark, look up in silence (Nipaitsoq), and add a dated entry to your sky journal — what you saw, and what you wondered.

Want the whole year at a glance? Open the full Astronomy · 天文 plan.