深海の堆積物からのシリケート球体:地球外起源の確認
まとめ
地球の深海の堆積物でよく見られる,地球外のシリケート球粒が,決定的に特定されました. その微量元素の組成は,原始的な太陽系物質と一致し,その宇宙起源を確認した.
科学分野:
- 宇宙化学 (コスモケミストリー)
- 地質学 地質学 地質学
- 惑星科学は惑星科学である.
背景:
- 流星体の大気融解によるシリケート球体は,地球上で豊富に存在する地球外物質です.
- 1世紀以上にわたって深海の堆積物の中に存在しているにもかかわらず,肯定的な識別は困難でした.
- 以前の研究では,堆積物の存在に基づいて,地球外生命体の起源が疑われていることが指摘されていた.
研究 の 目的:
- 地球外起源のシリケート球球を決定的に特定するために.
- 深海の沈殿体球体の地球外的な性質を確認するために.
- 原産地の確認のために微量元素の組成を分析する.
主な方法:
- シリケート球体における非揮発性微量元素の濃度の分析.
- 既知の原始太陽系物質の組成と元素の豊富さの比較.
主要な成果:
- シリケート球体の一つは,地球外生命体として肯定的に特定されました.
- 特定された球体の微量元素の豊富さは,原始的な太陽系物質と密接に一致しました.
- これは,そのような球体の地球外起源の具体的な証拠を提供します.
結論:
- 深海の堆積物で見つかったシリケート球体は,地球外生命体として明確に識別できます.
- 微量元素分析は,これらの粒子の宇宙起源を確認するための信頼できる方法です.
- この発見は,地球上の地球外物質の理解を前進させる.
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