Would you leave your family forever to live on Mars? That's the question a Dutch entrepreneur is asking -- and he has already received applications from 78,000 people!

The plan is to send two men and two women to live on Mars in the year 2023, with more to follow. A reality show will chronicle their new life in space.

What is it like on Mars? Just to get to Mars would take seven months flying in a spacecraft. A Martian day is 24.623 hours long (so only a little longer than our day), but there are 686.98 Earth days in Martian year! There is no oxygen on the planet, and temperatures can reach anywhere from 23 degrees to -124.6 degrees Fahrenheit!

Think you have what it takes to become an astronaut for Mars One? You can apply at their website!

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