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CTB 1: The Medulla Nebula

📖 3 min read 📊 beginner 🏷️ NASA APOD

In Brief

What powers this unusual nebula? CTB 1 is the expanding gas shell that was left when a massive star toward the constellation of Cassiopeia exploded about 10,000 years ago. The star likely detonated when it ran out of elements, near its core, that could create stabilizing pressure with nuclear fusion...

CTB 1: The Medulla Nebula

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The Full Story

What powers this unusual nebula? CTB 1 is the expanding gas shell that was left when a massive star toward the constellation of Cassiopeia exploded about 10,000 years ago. The star likely detonated when it ran out of elements, near its core, that could create stabilizing pressure with nuclear fusion. The resulting supernova remnant, nicknamed the Medulla Nebula for its brain-like shape, still glows in visible light because of the heat generated by its collision with confining interstellar gas. ...

Key Takeaways

  • 1 Important astronomical discovery
  • 2 Advances our understanding
  • 3 Future research potential
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How We Know This

Scientific observation and analysis

What This Means

Contributes to our knowledge of the universe

Why It Matters

Important advance in astronomy

Related Topics

#astronomy #discovery