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The search for water on Mars
The search for water on Mars

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3 How do we find water on Mars?

Now you know why water is so important for life and the natural environment, it should not surprise you to hear that the search for water has been central to many Mars exploration endeavours. We know that ‘follow the water’ is a motto that NASA adopted, particularly in relation to narrowing down the search for life on Mars. But how do we recognise the presence of water?