Post by: Fraser Cain
Astronomy Cast Ep. 408: Universe Cannibalism
Welcome to Astronomy Cast, our weekly facts based journey through the cosmos. Where we help you understand not only what we know, but how we know what we know.
My name is Fraser Cain, I’m the publisher of Universe Today. With me is Dr. Pamela Gay, a professor at Southern Illinois University Edwardsville, and the director of Cosmoquest.
Hi Pamela, how are you doing?
We’ve talked about stellar cannibalism and galactic cannibalism, but now it’s time to take this concept to its logical extreme – universe cannibalism. In the multiverse theory of physics we live in just one of a vast range of universes which might interact with each other. Let’s look for the evidence.
Like all the other terrestrial planets, (Mercury, Venus, and Mars) the Earth is made up of many layers. This is the result of it undergoing planetary differentiation, where denser materials sink to the center to form the core while lighter materials form around the outside. Whereas the core is composed primarily of iron and nickel, […]
Host: Fraser Cain (@fcain) Guests:This week, we welcome Andrew Helton and Ryan Hamilton, member of the SOFIA Telescope Team. Andrew is the Instrument Scientist for the Faint Object infraRed CAmera for the SOFIA Telescope (FORCAST) dual channel, mid-infrared camera and spectrograph, one of the observatory’s facility-class science instruments. Ryan is the Instrument Scientist for the […]
Volcanoes are renowned for their destructive power. In fact, there are few forces of nature that rival their sheer, awesome might, or have left as big of impact on the human psyche. Who hasn’t heard of tales of Mt. Vesuvius erupting and burying Pompeii? There’s also the Minoan Eruption, the eruption that took place in […]
Host: Fraser Cain (@fcain) Guests: Paul M. Sutter (pmsutter.com / @PaulMattSutter) Paul, one of our WSH regular panelists, will be talking about Song of the Stars, a project he is leading that brings astronomy to life using modern dance. Guests: Dave Dickinson (www.astroguyz.com / @astroguyz) Kimberly Cartier (@AstroKimCartier ) Their stories this week: The Launch […]
Host: Fraser Cain (@fcain) Guests: Dr. Sarah M. Milkovich, Planetary Geologist and current Science Systems Engineer at JPL working on Mars 2020 Rover. She has also worked on MRO (HiRISE), MSL, Cassini (UVIS), and Mars Phoenix Mission. Guests: Morgan Rehnberg (MorganRehnberg.com / @MorganRehnberg) Dave Dickinson (www.astroguyz.com / @astroguyz) Paul Sutter (pmsutter.com / @PaulMattSutter) Alessondra Springmann […]