Stars from Adolescence to Old Age

A self-checking practice quiz on how stars age: the main-sequence life of a star, leaving the main sequence, red giants and helium fusion, how mass determines a star’s fate, variable stars, star clusters and stellar ages, and testing stellar evolution. Every question is multiple choice and shown one at a time, and the set is drawn fresh each time you take it. At the end you receive a report showing how many you answered correctly.