Episode 568: Q&A 101: How Do We Know Meteorites Came From Mars? And More... Featuring Dr. Nick Cowan from McGill

September 26th, 2019

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

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!

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:

Weekly email newsletter:

Weekly Space Hangout:

Astronomy Cast:

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 / [email protected]
Karla Thompson - @karlaii / https://www.youtube.com/channel/UCEItkORQYd4Wf0TpgYI_1fw
Chad Weber - [email protected]



Support Universe Today Podcast