Silicate–SiO reaction in a protoplanetary disk recorded by oxygen isotopes in chondrules

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Ryoji Tanaka & Eizo Nakamura Nature Astronomy 1, Article number: 0137 (2017) doi:10.1038/s41550-017-0137 LINK “The formation of planetesimals and planetary embryos during the earliest stages of the solar protoplanetary disk largely determined the composition and…

Atomic-scale age resolution of planetary eventsOPEN ACCESS 

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L. F. White, J. R. Darling, D. E. Moser, D. A. Reinhard, T. J. Prosa, D. Bullen, D. Olson, D. J. Larson, D. Lawrence & I. Martin Nature Communications 8, Article number: 15597 (2017) doi:10.1038/ncomms15597…

New candidates for active asteroids: main-belt (145) Adeona, (704) Interamnia, (779) Nina, (1474) Beira, and near-Earth (162173) RyuguOPEN ACCESS 

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Vladimir V. Busarev, Andrei B. Makalkin, Faith Vilas, Sergey I. Barabanov, Marina P. Scherbina submitted to Icarus 2017 PDF (OPEN ACCESS) “For the first time, spectral signs of subtle coma activity were observed for four…

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