生命摇篮:借助平方公里阵列天文台(SKAO)从恒星形成到宜居世界
Cradle of Life: From the Formation of Stars to Habitable Worlds with the SKAO
AI总结:
“生命摇篮”工作组借助SKAO追踪恒星与行星形成路径、恒星对行星的影响及生命可能性,通过不同频率探测相关物质、磁场等,还进行技术特征搜索,为揭示宇宙生命起源建立路线图。
AI中文摘要:
本章概述了“生命摇篮”工作组涵盖的不同科学案例,该工作组旨在利用平方公里阵列天文台(SKAO)的能力,追踪恒星和行星形成的物理和化学路径,此类恒星如何影响其行星,以及在这些条件下生命是否可能存在。在最高频率下,SKAO将探测为行星形成提供燃料的原材料的最早阶段,同时对高质量和太阳型原恒星中的益生元分子进行前所未有的深度搜索。同时,最低频率将用于通过极光射电辐射探测和表征系外行星磁场,以及行星从其主恒星经历的空间天气类型。在整个频率范围内,SKA望远镜将对技术特征进行系统搜索。这些高影响力的研究领域共同为SKAO揭示宇宙生命起源建立了全面的路线图。
英文摘要:
This chapter provides an overview of the different science cases covered by the "Cradle of Life" working group, which aims to leverage the capabilities of the Square Kilometre Array Observatory (SKAO) to trace the physical and chemical pathways toward stars and planets formation, how such stars impact their planets, and whether life could exist in such conditions. At its highest frequencies, the SKAO will probe the earliest stages of the raw material fuelling planet formation, while enabling deep, unprecedented searches for prebiotic molecules both in high-mass and solar-type protostars. Concurrently, the lowest frequencies will be deployed to detect and characterize exoplanetary magnetic fields via their auroral radio emission, and the type of space weather a planet experiences from its host star. Across the entire frequency range, the SKA telescopes will conduct systematic searches of technosignatures. Together, these high-impact research areas establish a comprehensive roadmap for the SKAO to uncover the origins of life in the universe.