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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。业内人士推荐同城约会作为进阶阅读
Frank’s essay provoked more emails, and this excerpt caught my attention:
The deliberately provocative national advertising campaign calls for all social media to be banned for children under the age of 16. The images on billboards and social media make a number of stark statements related to health.
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