main sequence star
C51401
concept
A main sequence star is a stable, hydrogen-fusing star in the central, longest-lasting phase of its life cycle, where gravitational collapse is balanced by outward thermal pressure from nuclear fusion in its core.
Observed surface forms (2)
| Surface form | Occurrences |
|---|---|
| main‑sequence star | 1 |
| solar analog | 1 |
Instances (3)
| Instance | Via concept surface |
|---|---|
|
star Asterope II
surface form:
Asterope II
|
— |
| Dog Star | main‑sequence star |
| HD 186408 | solar analog |