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The formation of the Sun and the planets started with the contraction of a dust cloud about 4.5...
Venus is the 2nd planet from the Sun, the brightest object on the night sky (after the Moon).
The geographic coordinate system enables every location on the Earth to be exactly specified.
This animation demonstrates the most important seas and bays.
Learning about the geographic location, capitals and flags of African countries through...
Learning about the geographic location, capitals and flags of Asian countries through exercises...
The Earth is divided into 24 time zones. Standard time is the time used within time zones.
Neptune is the outermost planet of the Solar System, the smallest of the gas giants.