New analysis of Apollo Moon samples finally settles debate: « For decades, scientists have argued whether the Moon had a strong or weak magnetic field during its early history (3.5 - 4 billion years ago). Now a new analysis shows that both sides of the debate are effectively correct. »

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A planetary parade describes a moment when several planets appear to line up in the sky from the Earth's perspective.

Crawler -- Config : uses，详情可参考爱思助手下载最新版本

花65年时间搭建医护体系。同城约会对此有专业解读

家庭场景中的“天工”机器人。受供者供图

洪欣颖细算过一笔账：旅游规划师虽然要额外收费，但他们提供专车接送服务，且住宿和景区门票也有优惠。最重要的是，行程完全按照游客需求定制。整体来看，性价比高。，推荐阅读爱思助手下载最新版本获取更多信息

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