the earth axis of rotation is always inclined at an angle of axial tilt.
the earth axis of rotation is always inclined at an angle of axial tilt.
the earth axis of rotation is always inclined at an angle of?
axial tilt
Na
Na
whereas the gravitational force subjected by a celestial body on earth varies inversely as the square of its distance to the earth, the maximal tidal force varies inversely as, approximately, the cube of this distance. if the tidal force caused by each body were instead equal to its full gravitational force (which is not the case due to the free fall of the whole earth, not only the oceans, towards these bodies) a different pattern of tidal forces would be observed, e.g. with a much stronger influence from the sun than from the moon: the solar gravitational force on the earth is on average 179 times stronger than the lunar, but because the sun is on average 389 times farther from the earth, its field gradient is weaker. the solar tidal force is 46% as large as the lunar. more precisely, the lunar tidal acceleration (along the moon–earth axis, at the earth's surface) is about 1.1 × 10 "g", while the solar tidal acceleration (along the sun–earth axis, at the earth's surface) is about 0.52 × 10 "g", where "g" is the gravitational acceleration at the earth's surface. venus has the largest effect of the other planets, at 0.000113 times the solar effect. the system of the earth, the moon and the sun is an example of a three-body problem, and there is no exact mathematical closed-form expression of their interdependence.
tide