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The tangential speed of Earth's rotation at a point on Earth can be approximated by multiplying the speed at the equator by the cosine of the latitude. [42] For example, the Kennedy Space Center is located at latitude 28.59° N, which yields a speed of: cos(28.59°) × 1,674.4 km/h = 1,470.2 km/h.
The issue could be settled by measuring, for a number of points on earth, the relationship between their distance (in north–south direction) and the angles between their zeniths. On an oblate Earth, the meridional distance corresponding to one degree of latitude will grow toward the poles, as can be demonstrated mathematically.
Cases of true polar wander have occurred several times in the course of the Earth's history. [7] [8] It has been suggested that east Asia moved south due to true polar wander by 25° between about 174 and 157 million years ago. [9] Mars, Europa, and Enceladus are also believed to have undergone true pole wander, in the case of Europa by 80°. [10]
Two different models of the process of creation existed in ancient Israel. [15] In the "logos" (speech) model, God speaks and shapes unresisting dormant matter into effective existence and order (Psalm 33: "By the word of YHWH the heavens were made, and by the breath of his mouth all their hosts; he gathers up the waters like a mound, stores the Deep in vaults"); in the second, or "agon ...
A Foucault pendulum at the North Pole: The pendulum swings in the same plane as the Earth rotates beneath it The animation describes the motion of a Foucault pendulum at a latitude of 30°N. The plane of oscillation rotates by an angle of −180° during one day, so after two days, the plane returns to its original orientation
Geodetic latitude and geocentric latitude have different definitions. Geodetic latitude is defined as the angle between the equatorial plane and the surface normal at a point on the ellipsoid, whereas geocentric latitude is defined as the angle between the equatorial plane and a radial line connecting the centre of the ellipsoid to a point on the surface (see figure).
Earth's average orbital distance is about 150 million km (93 million mi), which is the basis for the astronomical unit (AU) and is equal to roughly 8.3 light minutes or 380 times Earth's distance to the Moon. Earth orbits the Sun every 365.2564 mean solar days, or one sidereal year. With an apparent movement of the Sun in Earth's sky at a rate ...
It is the geography of the Earth that maintains integrity here where the Equatorial circumference of 40,075 km divided by 360 degrees equates to 111.32 km per degree therefore the Earth rotates 1669.8 km per 15 degrees of rotation and 40,075 km through 360 degrees.The 'sidereal time' 1,674.4 km value for 15 degrees does not reflect the 360 ...