Globular clusters are spherical collections of stars. The Milky Way has 150. Most galaxies have them. Professor Lewis gives an update on these freaky outliers. Are they are older and wiser residents of galactic space?
The podcast Shirtloads of Science is embedded on this page from an open RSS feed. All files, descriptions, artwork and other metadata from the RSS-feed is the property of the podcast owner and not affiliated with or validated by Podplay.