At the beginning of the month, the first quarter moon, the convex moon before the full moon, the full moon, the convex moon after the full moon, the second quarter moon and the end of the month, the new moon ends. The other arrow is the red parallel arrow on the right side of the picture, which represents the sunlight, that is, the direction in which it shines. Because the sun is very huge and far away from the earth, the light can be considered parallel.
(declined to copy the answer from ss372 1)
: "Looking for chapters and sentences to carve insects, Xiao Yue hangs a jade bow as a curtain. I don't see Liaoshui every year. Where does the article cry in the autumn wind? " (Li Maonan Yuan)-In the poem, "Xiaoyue" refers to the moon in the morning, and "Jade Bow" refers to the waning moon after the first quarter moon, that is, the waning moon at the end of the month. The waning moon or moth-eyebrow moon at the end of the month is the lunar phase on the 25th and 6th of the lunar calendar. At this time, the moon is located about 45 degrees west of the sun, and it appears in the east and southeast at low altitude before sunrise, only 2-3 hours before dawn, showing a C-shape. This poem is about reading day and night with the moon. Example 2: "The desert sand is like snow, and the Yanshan moon is like a hook. Why be a golden brain and step on the clear autumn? " (History of Li Maoma)-The moon is like a hook in the poem, that is, the waning moon (above). The first two sentences seem to be about scenery, but in fact they are about unpaid ambitions and sleepless nights; The last two sentences express lofty sentiments and ambitions.
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