Astronomy Cast Ep. 522: Judging Age & Origins - Pt. 1 Earth Rocks

Join +Fraser Cain and +Pamela Gay for a live episode of Astronomy Cast. We'll record our 30-minute show, and then stay tuned for them to answer questions! People always want to know how old everything is. And more specifically, they want to know how we know how old everything is. Well, here at Astronomy Cast, it's our job to tell you now only what we know, but how we know what we know. And today we'll begin a series on how we know how old everything is. Want to support CosmoQuest? Here are specific ways you can help: Donate and challenge your friends to donate too! https://tiltify.com/+cosmoquest-suppo... Donate! (Streamlabs link) https://streamlabs.com/cosmoquestx Buy stuff from our Redbubble https://www.redbubble.com/people/cosm... Help us find sponsors by sharing our program and fundraising efforts through your networks Become a Patreon of Astronomy Cast   / astronomycast   Sponsor 365 Days of Astronomy http://bit.ly/sponsor365DoA A combination of the above!