Lithium is not just in demand for all those new electric car batteries, it seems there’s a problem with missing lithium in the universe. We explore the Cosmological Lithium Problem, take a look at what…
Category: Earth
In another wide-ranging episode, we discuss how atmospheric and oceanic chemistry changes wiped out most life on Earth 250 million years ago, the best evidence yet for a third type of supernova, and the importance…
With all the excitement about the potential discovery of a biomarker, Phosphine, on Venus, we take a close look at the observations with Venus expert Dr. Brad Sandor who explains the challenges and problems with…
Deep in the interior of the Sun all the energy that supports life on Earth is created by fusing hydrogen into helium. For the first time, neutrinos produced by the relatively rare CNO fusion process…
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…