Traditional Culture Encyclopedia - The 24 Solar Terms - From winter solstice to summer, the speed of the earth's revolution around the sun is getting slower and slower. Why is this sentence wrong?
From winter solstice to summer, the speed of the earth's revolution around the sun is getting slower and slower. Why is this sentence wrong?
For the convenience of memory, many people directly think that "winter solstice = perihelion" and "summer solstice = farhelion".
When did the earth pass the perihelion and apohelion on the astronomical page? "More than half of the answers to these questions directly answer the winter solstice and the summer solstice.
If the above statement is true, according to Kepler's second law, perihelion moves fast, which is naturally correct. But the question is, is the perihelion really on the winter solstice?
When is the perihelion of the earth? 65438+1October 4th or 5th. That is, before the slight cold solar terms.
What about the distance? July 4 or 5. Before the summer solar term.
I believe the landlord understands why. From the solstice in winter to the solstice in summer, the distance between the earth and the sun first decreases and then increases. So the speed is not getting slower and slower.
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