neutron star

A woman with long wavy brown hair wearing a black T-shirt holds a banana in one hand. She is in front of a turquoise gradient background with question marks on it. In the lower left corner is an illustration of a banana. Across the middle the text "Viewer Questions!"

Fermilab scientist Kirsty Duffy responds to some of the many wonderful questions viewers have left in the comments. Plus, a guest visit from fellow Fermilab science communicator Don Lincoln.