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Walkabout the Galaxy

Oct 20, 2021

So much going on: Shatner goes to space, the astroquarks ponder time travel, Tunguska may have been a near miss, free neutron decay holds the key to the universe, Fast Radio Bursts become more puzzling, and Strange Quark absolutely does not want any tortoises or any creatures at all, for that matter, to be harmed! Join...


Oct 13, 2021

The intrepid New Horizons spacecraft has discovered close binary comets in the Kuiper belt, and the Lucy mission is getting ready to explore binary trojan asteroids sharing Jupiter's orbit. It's all about small bodies, including just how late we can nuke an inbound asteroid and live to tell the tale. 


Oct 6, 2021

Comet 29P is on an odd, distant orbit, between Jupiter and Saturn, and like a fidgety child sent to the corner, it keeps having unpredictable outbursts. In other planetary systems, the numerous hot jupiter class of planets seem to have a uniform nighttime temperature due to the presence of clouds of rock droplets. Maybe...


Sep 29, 2021

We discuss not one but two galactic civilizations (Dune and Foundation) coming to screens big and small this Fall. Life being a central part of most civilizations, we discuss some interesting new observations of biomolecules in space and review the bizarre menagerie of hypothesized exotic stars. Join us for all that and...


Sep 15, 2021

Light's odd way of behaving both like a particle and a wave is nothing new, but a cool new experiment shows that it's not an either/or but a continuum of gradations from wave to particle. The universe has some crazy stuff going on. We use the wave nature to take a look at an odd transient phenomenon at the core of the...