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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, what we call the lunar cycle. 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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The average energy bill for millions of households will fall by £10 a month in the spring, after Ofgem said the price cap would fall by 7% owing to a shake-up in green levies.
Scientists at the Leibniz Institute of Atmospheric Physics use Lidar lasers to measure the stratosphere and mesophere
香港警方回覆BBC表示，他們「依法辦事」，並「譴責任何惡意抹黑警隊及煽動公眾恐慌的企圖」。