How the Universe Began
How the Universe Began Imagine stepping outside at night and looking up. What do you see? The black sky is space, and…
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Discover Something New
Space Encyclopedia
Explore space in simple words: how planets form, why stars shine, how rockets work and what lies inside black holes. Short, clear explanations and pictures bring big science to curious young minds.
How Old Is the Universe?
How Old Is the Universe? You already know that the Universe grew from a tiny point after the Big Bang. But when…
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Galaxies: Cities of Stars
Galaxies: the Star Cities of the Universe Imagine looking down from an aeroplane at night and seeing thousands of lights: windows, car…
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The Milky Way
The Milky Way On a summer night, far from city lights, you can see a glowing, misty band stretching across the entire…
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Our Galactic Neighbours
Our Galactic Neighbours Our galaxy is not alone. It has neighbours, and some can be seen from Earth if you know where…
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The Laniakea Supercluster
The Laniakea Supercluster You already know that gravity binds stars together into galaxies. Galaxies do not drift through space at random either.…
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