IGNITING FUSION...
Stellar Evolution
3D Interactive Simulation
Sun
Main Sequence Star
Inward Gravity
Outward Pressure
1.00 R☉
Real Object Catalogue
—
-- Select an Object (loads approximate preset) --
Selecting an object will automatically update initial mass and evolutionary progression parameters.
Initial Mass
1.00 M☉
Evolution Progression
50%
Skip Back
Skip Forward
Current Stage
Main Sequence
Spectral Class
G2V
Temperature
5,778 K
Luminosity
1.00 L☉
Radius
1.00 R☉
Age
4.6 Gyr
Curriculum
A-Level
KS3
GCSE
A-Level
University
In the
Main Sequence
, the star fuses hydrogen into helium via the
Proton-Proton Chain
.
$$ 4^1H \rightarrow ^4He + 2e^+ + 2\nu_e + 26.7 MeV $$
Hertzsprung-Russell Diagram