Science, Maths & Technology
The search for water on Mars
...System. For this reason, the discovery of water is the primary goal of many space missions. Despite being 55 million kilometres from Earth, Mars (Figure 1b) can often be spotted with the naked eye in the night sky as a reddish-orange object (Figure 2). It has been observed throughout human history, with the earliest record dating back to ancient Egypt, and for this reason...