Traditional Culture Encyclopedia - The 24 Solar Terms - What is the longest shadow of a one-meter-long bamboo pole in the sun in a year?
What is the longest shadow of a one-meter-long bamboo pole in the sun in a year?
consult a map
Yantai is about 38 degrees north latitude, plus the Tropic of Cancer 22 degrees * * * about 60 degrees.
On the day of winter solstice, that is, 65438+February 22, the length of the shadow at noon is 60 degrees tangent, which is about one meter 75, and one person is tall.
Sooner or later, of course, it will be much longer.
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