Earth in Space: Our Planet's Place in the Solar System

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Science · My World Quest — full scheme of work · explorer

Earth in Space: Our Planet's Place in the Solar System

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For grown-ups

Companion summary

Have you ever wondered why we have summer and winter, or why the sky looks different each night? Knowing how Earth moves in space helps scientists predict eclipses, plan rocket launches, and even design our calendars. Here is something amazing to hold onto: Earth is hurtling through space at about 107,000 kilometres per hour right now, and you cannot feel a thing. When you finish, try going outside at the same time each evening this week and notice how the Moon's shape slowly changes.

Have You Ever Wondered…?

Have You Ever Wondered…?

Look up at the sky tonight. The Sun seems to move from one side to the other during the day, and then it disappears. But here is the surprising truth: the Sun is not moving at all! It is actually you — standing on planet Earth — who is moving. How can that be? Let's find out.

💭 Think about this

Think about sunrise and sunset. Where does the Sun appear in the morning, and where does it go in the evening? Why do you think that happens?