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Connections 9(1):5. CELD ID 20655
|Spiral Galaxies: Too Frayed for Life?|
Spiral galaxies are like people: they fray as they age. As people gradually sag and wrinkle, so too a young galaxy's elegant spiral structure frays into myriad substructures-spurs, feathers, and filaments-branching off from the main spiral arms. These substructures interfere with the needs of advanced life.