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There are ten national parks in Hungary.
Mercury is innermost and smallest planet of the Solar System.
Lunar eclipses occur when the Moon passes through the shadow cone of Earth
A demonstration of nearby planets, stars and galaxies.
Learning about the geographic location, capitals and flags of the world´s countries...
Learning about the geographic location, capitals and flags of American countries through...
Neptune is the outermost planet of the Solar System, the smallest of the giant planets
The Earth's continents have been in constant motion during the history of the planet.