Episode 628: Q&A 117: Why Am I So Negative About Aliens? And More... Featuring Dr. Jason Wright

In this week's questions show, I explain why I've got such a skeptical view about the search for aliens if there might be multiple great filters, and why NASA doesn't just go back and use Apollo hardware to return to the Moon?Follow Dr. Wright on Twitter:https://twitter.com/astro_wright00:40 Are there multiple Great Filters?02:35 Could we refuel ships in space to land on Mars06:01 Could we put a light on the Moon to prove what we landed there?08:18 Will James Webb Launch?09:52 What will it take to confirm signs of life?12:30 How long until cosmic rays die down?16:03 Why don't we just use Apollo hardware to go back to the Moon?19:46 Why am I so negative?22:29 Good sources of journals?25:43 When will you believe that it's actually aliens?Want to be part of the questions show? Ask a short question on any video on my channel. I gather a bunch up each week and answer them here.Our Book is out!https://www.amazon.com/Universe-Today-Ultimate-Viewing-Cosmos/dp/1624145442/Audio Podcast version:ITunes: https://itunes.apple.com/us/podcast/universe-today-guide-to-space-audio/id794058155?mt=2RSS: https://www.universetoday.com/audioWeekly email newsletter:https://www.universetoday.com/newsletterWeekly Space Hangout:https://www.youtube.com/channel/UC0-KklSGlCiJDwOPdR2EUcg/Astronomy Cast:https://www.youtube.com/channel/UCUHI67dh9jEO2rvK--MdCSgSupport us at https://www.patreon.com/universetodayMore stories at https://www.universetoday.com/Twitch: https://twitch.tv/fcainFollow us on Twitter: https://twitter.com/universetodayLike us on Facebook: https://www.facebook.com/universetodayInstagram - https://instagram.com/universetodayTeam: Fraser Cain - @fcain / [email protected] Thompson - @karlaii / https://www.youtube.com/channel/UCEItkORQYd4Wf0TpgYI_1fwChad Weber - [email protected] Universe Today Podcast