Episode Title
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Series Title
Walkabout the Galaxy
Keywords
swirls on the Moon; Europa's ocean
Disciplines
Astrophysics and Astronomy | Physics
Description
Strange quark is convinced that the swirls on the Moon are actually 2001 monoliths, and all three of your hosts are eager to go check them out. On the way, will the spacetime they're traversing be smooth or chunky? Top quark explains the difference, along with updates on Europa's ocean, space news, and trivia.
Episode Sponsor
The Era of Recombination
Cast your mind back to a simpler time, when electrons were electrons and protons were protons, and each knew their place in the universe: the hydrogen atom. That paragon of atomic simplicity is what ultimately made you possible. Starting at a red shift of 1,100, or, if you're more colloquially inclined, 380,000 years after the Big Bang, give or take, the era of recombination marked the end of that hot, dense state and the beginning of a new, transparent era in there universe where photons were finally free to travel wherever their space timelines took them. And now, thanks to the era of recombination, you too can enjoy a walkabout the galaxy. The era of recombination, the pause that refreshes.
© Joshua Colwell, All Rights Reserved
Date Created
11-24-2019
Item Type
Podcast
Type
article
Length of Episode
43:00
Recommended Citation
Colwell, Joshua; Dove, Adrienne; and Cooney, James, "Would You Like Your Chunky Space with a Swirl?" (2019). Walkabout the Galaxy Podcast. 100.
https://stars.library.ucf.edu/walkaboutthegalaxy/100
