Earth and Space

Why Does the Moon Have Phases?

The Moon is the brightest object in the night sky when its whole face is showing. This only happens at full Moon. So why isn't it always a full Moon? 

Left-side: The Moon orbiting the Earth. Top right: Crescent Moon. Bottom right: A month from a calendar.

Why Does the Earth Have Tides?

The level of the sea rises and falls about 2 times each day. We call these changes tides. But what causes them?

Still image from the tides simulator showing the Moon in orbit around the Earth

The 'Space Age' Calculator

Every year, the Earth completes one orbit of the Sun, and every year, you have a birthday! And during a year, the Earth rotates 365 times on its axis and we experience 365 sun rises and sun sets.

A birthday cake with lit candles. Above it are the eight planets of our Solar System

Solar System Word Search

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We've hidden 11 words in this grid. All the words are linked to the Solar System. Can you find them?


Timeline of the Apollo Missions

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Did you know astronauts landed on the Moon six times between 1969 and 1972?

Explore the people and science of each Apollo mission using our timeline!

The First Moon Landing

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In 1969, the Apollo 11 mission landed on the Moon. For the first time, people stepped foot on another world in our Solar System.

But what do you know about the astronauts on board. And how much do you know about their mission? Take our quiz to find out!

Earth, Sun and Moon Quiz

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The Earth is the planet you (and everyone else) live on! The Moon is a natural satellite of the Earth. This means it travels around our planet in a huge circle called an 'orbit'. The Sun is a star in the centre of our Solar System.

It's the movements of these objects that give us days, years, and even eclipses! Test your knowledge of these astronomical timescales and events.