Space

Space

Astronomy

Astronomy is the study of space, including planets, stars and galaxies. We can see some objects in space with just the naked eye, but many more, including those that are billions...

Planets and moons

A planet is an object orbiting a star. It can be made of rock, metal, liquid, gas or a combination of these. It does not share its orbit with any other significant objects. It is...

Solar System

The star we call the Sun lies at the centre of the Solar System, an array of objects of various sizes that move around, or orbit, it. These are: the eight major planets (in order...

Universe

The Universe consists of everything that we know to exist: stars, planets, rocks, people, and so on. It even includes empty space. Nearly all the visible matter in the Universe is...

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