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This image of Cassiopeia A resembles a disk of electric light with red clouds, glowing white streaks, red and orange flames, and an area near the center of the remnant resembling a somewhat circular region of green lightning.

Cassiopeia A

Cassiopeia A 3D Model

Explore the stellar explosion of Cassiopeia A in immersive 3D, walking through the actual remnants of this 340-year-old supernova.

Download the Model

Download the GLB file to explore or 3D print your own model.

Download GLB

Interactive Experience

Explore this cosmic object in an immersive 3D experience that opens in a new window.

Open Experience