中国南部新发现的弹坑是过去11 700年内由一颗陨石形成的,现在是已知最大的现代弹坑。 A newly found crater in southern China, formed by a meteorite within the last 11,700 years, is now the largest known modern impact crater.

中国南部新发现的弹坑现在被认为是现代最大的已知撞击弹坑,根据《物质与极端辐射》发表的一项研究报告,这是过去11 700年中由陨石撞击形成的。 A newly discovered crater in southern China is now considered the largest known impact crater from the modern era, formed by a meteorite impact within the last 11,700 years, according to a study published in Matter and Radiation at Extremes. 通过卫星图像、地质勘察和岩心取样查明,得到良好保护的场地显示了包括震动石英在内的冲击变形证据。 Identified through satellite imagery, geological surveys, and core samples, the well-preserved site shows evidence of shock metamorphism, including shocked quartz. 上海和广州研究人员领导了这项研究,其中强调了小行星撞击的持续风险,并支持行星防御工作。 Researchers from Shanghai and Guangzhou led the study, which highlights the ongoing risk of asteroid impacts and supports planetary defense efforts. 研究结果有助于了解地球的撞击历史和表面演变。 The findings contribute to understanding Earth’s impact history and surface evolution.