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Ancient Asteroid Dust Contains 4.6-Billion-Year Magnetic Record
Scientists analyzing dust samples returned from asteroid Ryugu by Japan's Hayabusa-2 mission have uncovered a 4.6-billion-year magnetic record that reveals conditions in the earliest days of the solar system.
Key Takeaways
- Ryugu dust samples contain magnetic signatures dating to the solar system's formation 4.6 billion years ago
- The study resolved conflicting earlier results by analyzing many more samples
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DT Editorial Team··3 min read·via universetoday.com