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A game about sights around the world.
Mercury is innermost and smallest planet of the Solar System.
This animation demonstrates how the Earth and the Moon were formed.
Neptune is the outermost planet of the Solar System, the smallest of the gas giants.
Geothermal energy is environmentally friendly, safe and efficient; and thanks to modern...
Due to the Earth´s tilted axis, the angle of the Sun's rays at given latitudes is continuously...
The Earth is composed of several spherical layers.
Uranus is the 7th planet from the Sun, a gas giant.