Summary of Week 1

Figure 23 Photograph of Orion taken by Monica Grady

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This is an image of the night sky.

Figure 23 Photograph of Orion taken by Monica Grady

You started your journey through the night sky taking Orion as a guide.

In this first week, you have learned to recognise Orion in the night sky, learned the names of the main stars in the constellation, how to recognise different constellations and how to use some of them to help you navigate.

You have heard about the Gaia mission which plans to produce a map of the billions of stars in our Galaxy.

The next part of the journey, in Week 2, is to look at the creation of new stars and follow the evolutionary history of different stars as they grow old and then die.