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:
With just your naked eye, tonight you'll be able to see the Mares Tranquillitatis and Crisium. With binoculars you'll be able to see the Mare Nectaris, the Alphonsus Crater, and the Alps Mountains. If you love your moon-gazing gear, get out the telescope to catch a glimpse of and with a telescope you'll see also see the Apollo 15 and 11 landing spots, and the Fra Mauro Highlands.，更多细节参见heLLoword翻译官方下载
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