2020Crab Nebula
Chandra · Hubble · Spitzer
Exploded stars · 2020
Cassiopeia A
An exploded star, element by element
- Distance
- 11,000 light-years
- Telescopes
- Chandra
The wreckage of a massive star that exploded about 340 years ago. Chandra can tell silicon from sulfur, calcium, and iron in the debris.
What you’re hearing
Each chemical element is a different musical line. Play them apart to hear silicon, sulfur, calcium, or iron, or together as the full remnant. The expanding blast wave has its own track.
Layers
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NASA sourceNASA/CXC/SAO/K. Arcand, SYSTEM Sounds (M. Russo, A. Santaguida)
