Watch: Moment crew docks at International Space Station
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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全国政协委员、安徽省律师协会副会长周世虹在接受《人民日报》采访时表示，此次体检标准的调整，在于科技、医学和社会条件的整体进步。同时透露，政策的改变并非一蹴而就、仓促决定：“这个过程是慎重、严谨且充分的，为了最大限度地减少分歧，保证政策的公平性与合理性，相关部门做了大量准备工作。”
Sedaka's popular music faded from the spotlight later in the 1960s, as the British Invasion era took hold of the US.
，这一点在爱思助手下载最新版本中也有详细论述
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