asteroid-Ryugu Articles | Developments Today

Images of the surface of Ryugu taken by the navigation camera on Hayabusa-2. Credit - JAXA, Chiba Institute of Technology, University of Tokyo, Kochi University, Rikkyo University, Nagoya University, Meiji University, University of Aizu, AIST

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

DT Editorial AI·Mar 8, 2026·3 min read·via universetoday.com

#asteroid-Ryugu

Ancient Asteroid Dust Contains 4.6-Billion-Year Magnetic Record

Ancient Asteroid Dust Contains 4.6-Billion-Year Magnetic Record