Walkabout the Galaxy Posts

January 14, 2015 / Episodes

We kick off the new year with a look back at the 2014 Fall meeting of the American Geophysical Union, featuring some 25,000 scientists and at least a handful of not-so-scientists. In episode 27, “Geoengineering…

November 18, 2014 / Episodes

Josh, Addie and Tracy welcome J├╝rgen Blum from the University of Braunschweig to discuss the exciting landing of the ESA Philae probe on the comet 67/P Churyomov-Gerasimenko. Philae, carried to the comet by the ESA…

November 4, 2014 / Astrophysics

This week’s episode is dedicated to the late Tom Magliozzi, one of the Car Talk brothers, whose infectious laughter livened up the airwaves for 25 years. In his honor, while discussing the discovery of “ghost…

October 26, 2014 / Episodes

Josh, Addie and Tracy report on the discovery this summer of three potential post-Pluto targets for the New Horizons spacecraft in the Kuiper Belt. The Hubble Space Telescope was called into service to help the…

October 13, 2014 / Episodes

Get ready for your hibernation trip across the galaxy. Watch out for Aliens and killer computers. Josh, Addie and Tracy discuss research into putting astronauts into a state of “torpor” to help survive those long…

October 7, 2014 / Episodes

Josh and Addie welcome Dr. Catherine Neish from the Florida Institute of Technology for a discussion of the proliferation of spacecraft at Mars, now including an Indian mission, the final fizzle of the earlier-reported detection…