What drives the outflows associated with stellar winds?
Answer
A combination of thermal expansion and radiation pressure
The outflows driving stellar winds are powered by the expansion resulting from heat generated by fusion, supplemented by the outward push provided by radiation pressure.
Frequently Asked Questions
What is the primary, persistent mechanism a star uses to shed material throughout its life before becoming a giant?What drives the outflows associated with stellar winds?During which evolutionary stage does the most dramatic period of mass loss occur for a star?How much of their total mass can stars similar to the Sun lose during their late red giant phase?What physical property is significantly reduced in a star entering the red giant phase, making its outer layers easier to dislodge?What process is distinct from the physical ejection of stellar atoms, even though it results in mass equivalent being carried away?What stellar remnant supports lower-mass stars after they have shed substantial material during evolution?What limit is associated with the maximum mass a white dwarf remnant can have before core collapse and potential supernova?How does the mass loss rate of a massive O-type star compare to the quiescent rate of a Sun-like star?What is the significance of stellar mass loss concerning cosmic chemistry?