Preparing for a mission to Mars

Since the 1960s, humans have been tested in preparation for a journey to Mars. Subjects have been crammed into sealed steel containers of only a few square meters, with minimal water, food and oxygen. These experiments have provided scientists isolated invaluable knowledge about how future astronauts may be able to react in a cramped spacecraft.

Mars has long fascinated people, but only in the last decade, the idea of ​​visiting the red planet to be realistic. This is the first installment in a series of three-story considering efforts to reach Mars from debilitating experiments to Earth to potential colonization.

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How Space Agencies Are Preparing for a Mission to Mars

Landing on Mars is the easy part, it's hard to spend much of the year to get there. Josh Dzieza on a grueling 256-day simulation of the astronauts are going through.

Six people will come out of a small metal tube, frail and exhausted, becoming the first people ever to withstand the grueling, sanity testing, seemingly endless journey to Mars.

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