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Walkabout the Galaxy

Jul 1, 2020

Is it the tiniest black hole ever or the largest neutron star ever? We may never know, but one of them has been discovered thanks to gravitational wave observations. And an interesting black hole merger took place near the center of a distant galaxy, and we may see it get gobbled up in just a few years. Closer to home,...


Jun 24, 2020

The 200th episode of Walkabout the Galaxy goes from odd Earthly atmospheric "elves" to mysterious new fundamental particles called axions, with a stop by Jupiter's fuzzy core on the way. To capture the essential Astroquarkiness of Walkabout, a special poetic sponsor leads things off, and an astrophysical trivia for Top...


Jun 10, 2020

Astronomers may have found the smoking gun for fast radio bursts in the form of a magnetar in our own galaxy. These highly magnetic neutron stars now look like the best bet as the sources of these powerful bursts of energy seen from distant galaxies. The astroquarks also take a look at Mars' moons and an...


Jun 3, 2020

The astroquarks discuss stunning images of a disk of gas and dust around another star giving birth to a planet, more weirdities and oddness in the Earth's magnetic field, the rain on Titan, and so much space news. It's so much exciting stuff that we had to record outside. Catch up on human spaceflight news as well...


May 20, 2020

The astroquarks are face to face to face at a safe physical (not social!) distance. We zoom out, without zoom, to explore the question of the origin of life in an immense universe. People are fixin' to go back to space from the U.S., Pluto's atmosphere may stick around longer than though, and there's plenty of space...