China Naming Network - Eight-character Q&A - Which solar term is the slowest time for the earth's revolution?
Which solar term is the slowest time for the earth's revolution?
Summer solstice in the northern hemisphere? Is it the earth? "Apohelion", around the earth? "Linear speed"? , "angular velocity"? Are the youngest? .
The linear speed is 29.3 km/s; The angular velocity is 57 ′11″/day.