Long-term Spectral Monitoring of Active Asteroid (6478) Gault: Implications for the H Chondrite Parent Body by Adam Battle, Vishnu Reddy, Juan A. Sanchez, Neil Pearson, Benjamin N. L. Sharkey, Theodore Kareta

Subjects: “…Main belt asteroids…”
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Unusual Space Weathering on a CE-5 Metal Grain Indicates Deceptive Surface Signatures of M-type Asteroids by Tian Zhang, Hong Tang, Xiongyao Li, Yuanyun Wen, Bing Mo, Wen Yu, Chuanjiao Zhou, Jianzhong Liu

“…However, recent spectral and radar observations reveal an insufficient number of M-type asteroids in the main belt. Here, we report unusual space weathering characteristics associated with a natural metal grain found in Chang'e 5 lunar soil. …”
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