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A SIGNALreturned every 18 minutes.
Scientists thought it was impossible.
A signal from deep space repeated every 18 minutes
Viral score92
Fact score96
Est. retentionHigh
Title
Deep Space Sent This Signal Every 18 Minutes — Why?
Description
Astronomers detected an unusual repeating source in deep space. Here is what researchers actually know — and what remains unexplained.
Sources
✓ Astronomy source✓ Research paper✓ Cross-check