×
+ All Categories
Log in
English
Français
Español
Deutsch
The top documents tagged [helium layer]
Home >
helium layer
AGB star intershell abundances inferred from analyses of extremely hot H-deficient post-AGB stars Klaus Werner Institut für Astronomie und Astrophysik.
221 views
Life Track After Main Sequence Observations of star clusters show that a star becomes larger, redder, and more luminous after its time on the main sequence.
214 views
Variable Stars National Schools’ Observatory. Introduction A star is classified as variable if its apparent brightness (i.e. that seen from Earth) changes.
215 views
Leaving the Main Sequence The core begins to collapse – H shell heats up and H fusion begins there – there is less gravity from above to balance this.
214 views