RADIONOID

StarSim

Set a mass and a metallicity, then run or scrub the clock. Zooming the timeline sets how fast the star ages.

Hertzsprung–Russell diagram
Interior 
What is happening 
Zero-age main sequence
Core hydrogen burning begins.
Luminosity
1.00 L☉
Surface temperature
5,772 K
Central temperature
15.0 MK
Surface gravity
28.0 g
Main-sequence life
10.0 Gyr
Endpoint
White dwarf, 0.57 M☉

Energy budget

Total output1.00 L☉
Events
800 million years per second
real time
Real stars — each sets a mass, a metallicity and a moment

Thanks to Anthropic for offering tools needed to create this website. All materials here are free for use elsewhere, although we are not responsible for errors in this model. If you have suggestions or comments, send them to auralgo@gmail.com. Thanks for visiting!