Episode 568: Q&A 101: How Do We Know Meteorites Came From Mars? And More... Featuring Dr. Nick Cowan from McGill
Om episode
In this week's questions show, I explain how scientists know that meteorites came from Mars, is it dangerous to look for alien civilizations, what citizen science projects to get involved in, and more. Featuring Professor Nick Cowan from McGill University. 00:20 How do we know a meteorite came from Mars 02:27 Why look for aliens? 05:20 Observational bias finding big planets? 08:03 What projects can software engineers get involved in? 09:50 Why bother thinking about superhabitable worlds? 11:31 Shouldn't Earth be turned in the wrong direction? 13:00 Can we communicate with gravity waves? 14:19 Would electronics survive a journey of thousands of years? 16:28 Could we set up a system to communicate with Voyagers better? 18:14 What gear setup do we use? 21:13 What will enable deep space travel? 22:57 Habitable zones on a tidally locked planet? Professor Nick Cowan https://msi.mcgill.ca/~cowan/ 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=2 RSS: https://www.universetoday.com/audio What Fraser's Watching Playlist: https://www.youtube.com/playlist?list=PLbJ42wpShvmkjd428BcHcCEVWOjv7cJ1G Weekly email newsletter: https://www.universetoday.com/newsletter Weekly Space Hangout: https://www.youtube.com/channel/UC0-KklSGlCiJDwOPdR2EUcg/ Astronomy Cast: https://www.youtube.com/channel/UCUHI67dh9jEO2rvK--MdCSg Support us at: https://www.patreon.com/universetoday More stories at: https://www.universetoday.com/ Twitch: https://twitch.tv/fcain Follow us on Twitter: @universetoday Like us on Facebook: https://www.facebook.com/universetoday Instagram - https://instagram.com/universetoday Team: Fraser Cain - @fcain / frasercain@gmail.com Karla Thompson - @karlaii / https://www.youtube.com/channel/UCEItkORQYd4Wf0TpgYI_1fw Chad Weber - weber.chad@gmail.com
Nyeste episoder
[Interview] Can AI Destroy the World And How Can We Prevent It
[Q&A] Gravity Assist Speed Limit, Double Gravitational Lenses, Phones in Space
[Space Bites] Historical Spacewalk // A Star with Insane Resolution // Iron Winds on a Planet
The Interview You All Have Been Asking For. Asteroseismology
[Q&A] Bringing Voyagers Back, Europa Clipper's Power Source, JWST Deep Field
[Space Bites] China’s Mars Sample Return Announced // Strange Sounds from Starliner // Asteroid Fireball
[Interview] x1,000 Resolution of JWST But x1,000 Cheaper
[Overtime Q&A] Starship Satellites, Alternatives to Black Holes, The Best Lifeform
[Space Bites] Betelgeuse's Secret Companion // Starliner Fail Confirmed // New Glenn Launch Date