Mars the Red Planet made from rock iron fable and meth since the ancients named it for the God of War it has had a unique hold over the human imagination even before humans set foot on the moon it was seen as the next step but why there are similarities between Mars and Earth it has a 24 hour day and four seasons though it's air is too thin to breathe and its surface too cold for unsheltered life it is far more astronaut friendly than any of the other planets it has huge canyons and vast volcanoes its
riverbeds Delta's and dried lakes speak of a past more watery than its arid present yet although it is scarce in briny there is still some liquid water on Mars today and water is key to life the possibility that Mars once had life or might just possibly still have it today is one of the reasons more space probes have been sent there than to any other planet NASA's insight probe which landed in November is the latest and Europe's ExoMars Rover will arrive next year NASA talks of sending humans to Mars on a new spacecraft within the
next two decades Elon Musk's space technology company SpaceX has plans as early as 2024 such missions with crews would be among the biggest technical challenges humans have ever undertaken the journey can only be made when the planets are properly aligned that only occurs roughly every 26 months but even then it takes around nine months to travel from one planet to the other [Music] the challenge of a life-support system that can operate for years without resupply is daunting the cost will be high and the hurdles amounts but the challenge is so exciting it seems certain that
some will try it and quite likely that some will die trying [Music] coming up next Thursday the hunt for oceans in space
