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Earth

  • Earthquakes

    An earthquake happens when the tectonic plates which form the Earth’s outer layer suddenly slip past each other, snap or make some other rapid movement, especially along...

  • Erosion

    Over the millions of years of geological time, great mountain ranges have been forced up—then disappeared. Colliding tectonic plates, faulting and other earth movements have...

  • Folds and faults

    Sliding plates and drifting continents are responsible for some of the Earth’s major landscape features. If a large slab or plate of the Earth’s surface is gradually...

  • Oceans

    The oceans cover more than 360 million square kilometres (139 million square miles) of the Earth’s surface, approximately 71% of its total area. More than 1350 million cubic...

  • Planet Earth

    The Earth is a spinning ball of rock and metal. It is one of eight planets that orbit, or circle, our nearest star, the Sun. Its surface is made up of oceans and land masses...

  • Rocks

    Rock is the hard material that makes up the Earth’s crust, its hard “shell”. Rock lies beneath all natural soil layers—and everything else: city streets, a...

  • Story of the Earth

    Planet Earth is one of eight planets orbiting the Sun, one of billions of stars in the Milky Way Galaxy, itself one of billions of galaxies in the Universe. The Universe came into...

  • Volcanoes

    A volcano—often, but not always, a cone-shaped mountain—is an opening in the Earth’s crust through which molten rock, called magma erupts. When a volcano erupts...

  • Weather and climate

    Weather is the conditions and changes that take place in the lower atmosphere, up to about 20 kilometres (about 12 miles) high. It includes temperatures by day and night, wind...

WHERE DO THE
STARS GO IN THE DAY?


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