It’s a Greek letter and a guy’s name. What does it mean?

Test Your Knowledge of the UniverseTake our quiz to find out.By Kenneth ChangAug. 21, 20261 of 1What is a gamma ray?Discover More in ScienceSpotting ‘Hidden’ Sperm: Artificial intelligence may make it easier for men with extremely low sperm counts to have biological children.A.I.-Created Viruses: Scientists trained artificial intelligence on libraries of DNA and then asked the model to create recipes for viral genomes. Sixteen of them were viable.A Change of Pace for Butterflies: In 32 of the countries included in a recent study, at least a quarter of the native butterfly species had moved to new areas as climate change progresses.