End of the Earth and New Life on Mars | Full Documentary HD

advexontube.com SPACE DOCUMENTARY HD ( WORLD BEST DOCUMENTARIES AROUND THE WORLD ) Feel free to subscribe our Biography Channel in ( HD )Biggest Mysteries of MarsEnd of the earth and new Life on Marshttp://www.advexon.comMars was known as the " fire star " to ancient Chinese astronomers , and scientists are still burning with questions regarding the Red Planet. Even after dozens of spacecraft have been sent to Mars , much remains unknown about that world. Here are some of the biggest unsolved mysteries we have about Mars.Why does Mars have two faces?Scientists have been puzzling over the differences between the two sides of Mars for decades. The northern hemisphere of the planet is smooth and low — it is among the flattest , smoothest places in the solar system , potentially created by water t