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Can We Make it to Mars?


Can We Make it to Mars?

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Item Number:
PBS NOVA6217
Price:
$24.99
Format:
DVD
Length:
60 min.
Copyright:
2011
Closed Caption:
n/a
Producer:
PBS
ISBN:
9781608833634
UPC:
841887013666
Summary:
This NOVA scienceNOW poses the question - Can We make it to Mars? - and host Neil deGrasse Tyson tackles one of science's major challenges in each episode. He will guide us as he explores dramatic discoveries and the frontiers of research that connect each central, provocative mystery.

Program episodes include
Space Dangers - A trip to Mars and back could take two to three years. Can humans survive the journey, fraught with deadly meteoroids, bone and muscle wasting, and perilous levels of radiation? Scientists are developing new ways to keep astronauts alive, using novel meteoroid-proof materials, artificial gravity, and exercise. But will they be enough?

Space Suits - Today's space suits are mini spaceships, cumbersome oxygen-filled balloons that provide life-saving air pressure, but that are notoriously difficult to move and work in. Dava Newman at MIT wants to design a space suit for future Mars explorers that's more Captain Kirk than Neil Armstrong--form-fitting and mobile. But protecting our cells from the vacuum of space is a lot harder than you'd think.

Space Food - Would you want to eat a three-year-old meal? If you're returning from Mars, you might have to. At the space food lab at Johnson Space Center, chefs are devising new ways of cooking up dishes that will taste as fresh and healthy on the last day of the trip as they did on the first.

Profile: Vandi Verma - Vandi Verma is a wanderer. Born and raised partly in India, she moved around a lot thanks to her father's air force career. Always motivated to explore new environments and cultures, there was also one constant--her fascination with fl ying and outer space. Today Verma is part of the team that drives the Mars rovers, and her unique combination of daredevil thrillseeking and rigorous preparedness make her just right for the job.

Plasma Rockets - What if astronauts could take an express voyage to Mars--one that would last not two and a half years, but just a few weeks? A new rocket called VASIMR, powered by a million-degree plasma instead of traditional chemicals, could be the answer NASA is looking for--if they could keep the super-hot engine from melting under its own heat.




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