Astronomers Have Detected The Most Powerful Black Hole Collision to Date - ScienceAlert

1. Astronomers Have Detected The Most Powerful Black Hole Collision to Date  ScienceAlert
2. Physicists detected gravitational waves from four new black-hole mergers  Ars Technica
3. Gravitational waves: Monster black hole merger detected  BBC News
4. Most powerful gravitational waves event stands out among four new detections  New Atlas
5. Richland observatory detects 5-billion-year-old black hole waves  Idaho Statesman
6. View full coverage on Google News

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