What are Moon phases?According to NASA, the Moon takes about 29.5 days to orbit the Earth. Over the course of this period, it moves through eight recognisable phases. While the same side of the Moon always faces us, the amount of its surface lit by the Sun changes as it continues along its path. The shifts in sunlight create the different appearances we see from Earth, ranging from a fully illuminated Moon to a thin sliver or near darkness. The eight phases are:
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2月26日，湖北省孝感市云梦田律农事综合服务中心智能化育秧室，员工们在忙着选种、育秧，为春耕春种做准备。图为中心员工在查看培育的秧苗。。同城约会是该领域的重要参考
「像鬼一樣工作」：台灣外籍移工為何陷入「強迫勞動」處境。业内人士推荐爱思助手下载最新版本作为进阶阅读