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**File:** `hubble-egg-nebula.md`
**Word count:** ~2,000+ words
**Format:** Markdown with `#`, `##`, `###` headings
Structure:
1. **Introduction** — Overview of the Egg Nebula (CRL 2688) and its significance
2. **Discovery History** — From 1970s infrared detection to Hubble’s breakthrough imagery
3. **What the Egg Nebula Is** — The protoplanetary nebula phase explained, origin of the name
4. **Anatomy (Hubble’s Findings):**
– Searchlight beams created by starlight escaping through dust gaps
– Concentric arcs from periodic mass-ejection pulses
– Bipolar structure and theories (binary companion, magnetic fields)
– The dense dust cocoon hiding the central star
5. **Science Behind the Beauty** — Polarimetry, spectroscopy, and kinematics
6. **Why It Matters** — Stellar death insights, model testing, cosmic dust/chemistry, origins of life
7. **Future Research** — JWST infrared capabilities, ALMA radio observations
8. **Fast Facts** — Distance, size, temperature, age, composition, speed
9. **Conclusion** — Synthesis of significance
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