Astrobiologist Answers Mars Questions

Space scientist and astrobiologist Erika DeBenedictis joins WIRED to answer the internet's burning questions about The Red Planet. How long does the trip to Mars take with current technology? Why is it red? How realistic was the movie 'The Martian?' How long would it take to effectively terraform Mars to sustain human life? Does Mars have seasons? Did the conditions for life exist on Mars at one time? What lies just below the surface? Answers to these questions and more await on Mars Support. 0:00 Mars Support 0:16 Explaining why Mars is red (without sorcery) 0:44 Why did Elon Musk say "You can only depart to Mars once every two years"? 1:39 How realistic were the crop growing scenes in ‘The Martian?’ 2:43 Terraforming Mars 3:25 Scientific inaccuracies in ‘The Martian’ 3:50 How long is the trip to Mars? What about the return leg? 5:03 Mountains on Mars 6:07 Does Mars have seasons? 6:43 Why is everyone obsessed with colonizing Mars? 7:17 Didn’t we find water on Mars a while back? 7:53 What kind of batteries do the Mars rovers use? 9:01 Take deep breaths 10:17 How much would you weigh on Mars? 10:54 How fast would you die on Mars without a spaceship? 11:37 How old is Mars? 12:18 If the conditions for life existed on Mars at one time, why is there no evidence of life? 14:56 Have we learned anything new about Mars after landing there with a rover? 16:01 Staying fit in microgravity 16:50 What type of material is the surface of Mars primarily made of? 18:33 Nice place you’ve got here Still haven’t subscribed to WIRED on YouTube? ►► http://wrd.cm/15fP7B7 Listen to the Uncanny Valley podcast ►► https://podcasts.apple.com/us/podcast/uncanny-valley-wired/id266391367 Want more WIRED? Get the magazine ►► https://subscribe.wired.com/subscribe/splits/wired/WIR_YouTube?source=EDT_WIR_YouTube_0_Video_Description_ZZ Follow WIRED: Instagram ►►https://instagram.com/wired Twitter ►►http://www.twitter.com/wired Facebook ►►https://www.facebook.com/wired Tik Tok ►►https://www.tiktok.com/@wired Get more incredible stories on science and tech with our daily newsletter: https://wrd.cm/DailyYT ABOUT WIRED WIRED is where tomorrow is realized. Through thought-provoking stories and videos, WIRED explores…