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For this reason, we rounded up a wide range of Earth Day crafts that will excite and occupy kids of all ages, whilst helping the younger generation understand that caring for our planet is of the ...
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 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]
3. Ride before you drive. Wherever you need to go on Earth Day, from point A to point B, make it a priority to leave a little earlier and trade your tires for some wheels.
The tallest (16.5 m (54 ft)) peace pole in the world on the campus of the Kwame Nkrumah University of Science and Technology in Ghana. It is made of a 105 years old Sapele tree. 5 languages (Twi—a local language in Ghana, Hindi, Chinese, Swahili, and Arabic) have been used to express the peace prayer on the pole: "May Peace Be on Earth".
The daily arc path of an object on the celestial sphere, including the possible part below the horizon, has a length proportional to the cosine of the declination.Thus, the speed of the diurnal motion of a celestial object equals this cosine times 15° per hour, 15 arcminutes per minute, or 15 arcseconds per second.
The children donated the funds to The Nature Conservancy, an international conservation organization. Earth's Birthday Project still puts butterflies into the hands of children, through programs in schools and individually to families. [9] [10] The organization also promotes the teaching of environmental issues as part of school science curriculum.
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