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Lunar eclipses occur when the Moon passes through the shadow cone of Earth
Domesticated animals and crops originate from various parts of the world.
The Earth is composed of several spherical layers.
Learning about the geographic location, capitals and flags of the world´s countries through...
The apparent movement of the Sun is caused by the Earth's rotation around its axis.
This animation presents the provinces and provincial capitals of the Netherlands.
The diameter of the Sun is about 109 times that of the Earth. Most of its mass consists of hydrogen.
The formation of the Sun and the planets started with the contraction of a dust cloud about 4.5...