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Tidal power stations utilise the daily fluctuation of the water level for producing electricity.
This animation demonstrates how the Earth and the Moon were formed.
The animation shows the two-seater Lunar Rover used in the Apollo 15 mission
A periodic climate pattern that occurs across the tropical Pacific Ocean every five years.
Seawater, as an external force, plays an important role in shaping coastlines.
Physical properties, as well as the flora and fauna of the ocean change with depth.
Neil Armstrong, one of the crew members of Apollo 11 was the first man to set foot on the Moon.
The Great ocean conveyor is a planet-wide system of ocean currents, which has a great influence on the Earth´s climate.
During its orbit around the Earth, the visibility of the Moon's illuminated part constantly changes.
When the Sun, Earth, and the Moon are arranged in a straight line, the Moon can partially or completely obscure the Sun.
The Moon is the Earth's only natural satellite
Remarkable civil engineering works to continue the Netherland's centuries-long fight against the sea.
Waves play an extremely important role in many areas of our lives.
A game to practise the use of analogue and digital clocks.
Lunar eclipses occur when the Moon passes through the shadow cone of Earth
The animation shows the way forces act on wheeled vehicles and vehicles with runners.
Tsunami waves are very high waves of immense destructive power.