About this video
This video explains how scientists figure out how old stars are! They use special diagrams and even look at how fast a star spins.
🧠 Quiz & Trivia
Test your knowledge after watching!
Q1 What is the name of the diagram astronomers use to plot stars?
Answer: Hertzsprung-Russell Diagram
Q2 What happens to a star when it runs out of hydrogen fuel?
Answer: It gets redder and brighter.
Q3 What method do scientists use to estimate the age of some stars that don't live in clusters?
Answer: Gyrochronology
Comments (0)
No comments yet — be the first!