blue hook star

== English == === Etymology === From their location on the blue horizontal branch portion of the extreme horizontal branch part of the horizontal branch of stellar evolution, hooking upwards when plotted on an H-R diagram. === Noun === blue hook star (plural blue hook stars) (astronomy) a type of helium-burning blue giant star that is hotter than the average star in this stage of their life, due to having a more massive helium core ==== Hypernyms ==== blue giant star / blue giant blue horizontal branch star (BHB star) extreme horizontal branch star (EHB star) horizontal branch star (HB star) ==== See also ==== blue giant on Wikipedia.Wikipedia