The Strange Cosmic Origin of Earth’s Most Precious Metals скачать в хорошем качестве

The Strange Cosmic Origin of Earth’s Most Precious Metals

Follow me to The Bigger Picture on ‪@PBS‬    • The Story Behind Earth’s Most Famous Photo...   SUBSCRIBE so you don’t miss a video! ►► http://bit.ly/iotbs_sub ↓↓↓ More info and sources below ↓↓↓ Precious metals like gold, silver, platinum, and rhodium are expensive because they're rare in Earth's crust. But are they rare in the universe? Why is it so hard to make some of the chemical elements? Where do heavy metals come from, anyway? Turns out, we can blame it all on neutron stars and some oddities of the periodic table. Thank you to the following for helpful discussions: Dr. Jennifer Johnson - Ohio State University Dr. Hendrik Schatz - JINA Center for the Evolution of the Elements References: https://sites.google.com/view/catalyt... ----------- We’re on PATREON! Join the community   / itsokaytobesmart   Special thanks to our Brain Trust Patrons: NullBlox.ZachryWilsn paul andre bouis Mark Littlehale Ali Freiburger Mehdi Damou Barbora Bei Ken Board Clinger-Hamilton Family Attila Pix Burt Humburg Roy Lasris dani bowman David Johnston Salih Arslan Baerbel Winkler Robert Young Amy Sowada Eric Meer Dustin Karen Haskell Join us on Patreon!   / itsokaytobesmart   Twitter   / drjoehanson     / okaytobesmart   Instagram   / drjoehanson     / okaytobesmart   Merch https://store.dftba.com/collections/i... Facebook   / itsokaytobesmartpbs