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Lunar eclipses occur when the Moon passes through the shadow cone of Earth
Due to the Earth´s tilted axis, the angle of the Sun's rays at given latitudes is continuously...
During its orbit around the Earth, the visibility of its illuminated part constantly changes.
The Earth is composed of several spherical layers.
The evaporation of seawater provides an excellent opportunity for coastal countries to produce salt.
The Earth is a rocky planet with a solid crust and oxygen in its atmosphere.
The Earth’s continents have been in constant motion during the history of the planet.
A demonstration of nearby planets, stars and galaxies.