Stellar Evolution
HR Diagram & Lifecycle Explorer
AstroLab Engine
3D Visualisation
HR Diagram Track
Live Telemetry
Current Stage
Yellow Dwarf (Main Sequence)
Temperature
5,778 K
Luminosity
1.00 L☉
Radius
1.00 R☉
Elapsed Age
6.00 Gyr
Simulation Parameters
NebulaMain SequenceRemnant
Stellar Lifecycle
Scrub the timeline to watch the star evolve. Note how its position on the HR Diagram dictates its physical appearance in 3D space.
A_LEVEL3 Marks
explainLook at the evolutionary track of a 50 Solar Mass star. Explain why its lifespan on the Main Sequence is significantly shorter than that of a 1 Solar Mass star, despite having more hydrogen fuel.
GCSE2 Marks
stateLabel the regions of the HR Diagram.
Main Sequence
White Dwarfs
Red Giants
Supergiants
Drag labels to their correct positions on the diagram.