![](https://statemuseumpa.org/wp-content/uploads/2023/07/SLotStars-HRPoster_2sm-326x462-1.jpg)
GRADE 9 AND UP
Shining Light on the Stars: The Hertzsprung-Russell Diagram
15 Minutes
Explore the H-R Diagram, from the history of its creation to the practical use it has for astronomers today. Take an in-depth look at the brightest stars we see from Earth, then fly-through space to the locations of the closest stars to the Sun – using the HR diagram along the way.
Produced by The Ritter Planetarium at The University of Toledo