Earth & Space Science simulation

Stellar Life Cycles & the H-R Diagram

Forge a star of any mass and watch it live and die using real stellar-evolution models. Plot real stars, race three stars on one clock, see where the elements in your body were made, and read the ages of star clusters.

Explore

Guided labs data table, graph and a claim–evidence–reasoning write-up you turn in

Test

Evolution tracks: MIST stellar models (Choi et al. 2016). Real-star data from published measurements; see Credits.