KAGUYA observation of global emissions of indigenous carbon ions from the Moon

Shoichiro Yokota, Kentaro Terada, Yoshifumi Saito, Daiba Kato, Kazushi Asamura, Masaki N. Nishino, Hisayoshi Shimizu, Futoshi Takahashi, Hidetoshi Shibuya, Masaki Matsushima, Hideo Tsunakawa

研究成果: Contribution to journalArticle査読

2 被引用数 (Scopus)

抄録

Carbon is a volatile element that has a considerable influence on the formation and evolution of planetary bodies, although it was previously believed to be depleted in the Moon. We present observations by the lunar orbiter KAGUYA of carbon ions emitted from the Moon. These emissions were distributed over almost the total lunar surface, but amounts were differed with respect to lunar geographical areas. The estimated emission fluxes to space were ~5.0 × 104 per square centimeter per second, which is greater than possible ongoing supplies from the solar wind and micrometeoroids. Our estimates demonstrate that indigenous carbon exists over the entire Moon, supporting the hypothesis of a carbon-containing Moon, where the carbon was embedded at its formation and/or was transported billions of years ago.

本文言語英語
論文番号eaba1050
ジャーナルScience Advances
6
19
DOI
出版ステータス出版済み - 5 2020

All Science Journal Classification (ASJC) codes

  • 一般

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