Walkabout the Galaxy

While terrestrial matters were frequently dark and depressing, 2017 was a banner year for the cosmos, or at least for our understanding of it. From Cassini's Grand Finale to LIGO's detection of neutron stars colliding, the astroquarks review the highlights of the year and a new story about a very old black hole from the dawn of the universe. A supermassive black hole formed before the universe was a billion years old, suggesting galaxy formation was off to a robust and early start. Join Josh, Addie and Jim for all that, nerd news and space trivia to wrap up 2017.

Direct download: 2017_-_A_Great_Year_for_Space.mp3
Category:Science -- posted at: 9:22am EST

Antimatter, the stuff that lets the USS Enterprise fly about the galaxy is the topic of this episode of Walkabout the Galaxy because it's made in your garden variety thunderstorm. Lightning strikes have enough energy to drive nuclear reactions that produce antimatter electrons. Join the astroquarks for this and other heady topics such as the wobble of the Earth's axis in space trivia.

Direct download: Antimatter_from_Your_Local_Thunderstorm.mp3
Category:Science -- posted at: 6:26pm EST

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