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Earth's rotation axis moves with respect to the fixed stars (inertial space); the components of this motion are precession and nutation. It also moves with respect to Earth's crust; this is called polar motion. Precession is a rotation of Earth's rotation axis, caused primarily by external torques from the gravity of the Sun, Moon and other bodies.
The space cats' home planet, Thuban 9, began losing its rotation, and they discovered that Earth had the correct orientation and magnetic field to harness its rotational energy. They built the Great Pyramid of Giza —an energy transfer antenna—and planned to send Earth's energy to Thuban 9, but became distracted by their worship by the ...
The Chandler wobble or Chandler variation of latitude is a small deviation in the Earth's axis of rotation relative to the solid earth, [1] which was discovered by and named after American astronomer Seth Carlo Chandler in 1891. It amounts to change of about 9 metres (30 ft) in the point at which the axis intersects the Earth's surface and has ...
Polar motion of the Earth is the motion of the Earth's rotational axis relative to its crust. [2]: 1 This is measured with respect to a reference frame in which the solid Earth is fixed (a so-called Earth-centered, Earth-fixed or ECEF reference frame). This variation is a few meters on the surface of the Earth.
Phineas feels bored after he and Ferb have accomplished much throughout the summer. For a taste of adventure, the duo and their friends decide to travel around the world at the same speed as the Earth's rotation, so as to make a complete 24-hour day, in an effort to create the "biggest, longest, funnest summer day of all time".
The study included data from 1993 through 2010, and showed that the pumping of as much as 2,150 gigatons of groundwater has caused a change in the Earth’s tilt of roughly 31.5 inches. The ...
Organizers of the iconic New Year's Eve party in New York City screwed the last crystals onto the ball Friday atop One Times Square. The ball is covered with 2,688 Waterford crystal triangles of ...
The pendulum was introduced in 1851 and was the first experiment to give simple, direct evidence of the Earth's rotation. Foucault followed up in 1852 with a gyroscope experiment to further demonstrate the Earth's rotation. Foucault pendulums today are popular displays in science museums and universities. [1]