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Nova - The Planets: Mars

The Planets: Mars
Mars was once a blue water-world studded with active volcanoes. But when its magnetic field and protective atmosphere faded, it became the frozen desert planet we know today. With so many necessary elements in place, did life ever form on Mars?
Tuesday Mar 24th12:00pmWGBY World
//player.pbs.org/partnerplayer/WchVtapYLhPRuquU36Nx3g==/?topbar=false&end=0&endscreen=true&start=0&autoplay=false Mars was once a blue water-world studded with active volcanoes. But when its magnetic field and protective atmosphere faded, it became the frozen desert planet we know today. With so many necessary elements in place, did life ever form on Mars? /episodes/get/94313 /episode/94313 Nova: The Planets: Mars /episode-player/94313