When you think about space, you usually imagine constellations and asteroids, not the amount of junk floating around up there!

But just how much junk is circling in our orbit? And how do you think we should clean it up?

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This historic goldmining town in a peaceful valley boasts stunningly restored buildings.

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Chasing the Sun

With visions of a more sustainable future, teams from across the globe drive from Darwin to Adelaide in futuristic solar-powered vehicles, in one of the world’s most gruelling innovation and engineering competitions.