Stellar evolution is the process by which a star changes over the course of time.
Depending on ... This process causes the star to gradually grow in size, passing
through the subgiant stage until it...
... looking at? Learn what stars are and how they live and die! ... At some point
after this, the core will become hot enough to cause the helium to fuse into
Dec 24, 2015 ... Secondly, and more commonly, the core of the star can still be surrounded by
some layers of hydrogen, which continue to fuse and cause the ...
an average star spends 90 percent of its life as a hydrogen-burning, main-
sequencestar. Once the hydrogen fuel in the star's core is depleted, it evolves
Nov 19, 2014 ... Question: what causes a star to die ... If we take a star like our sun then: The star
burn hydrogen, by nuclear fusion to helium, in thier cores.
How do stars die? ... This is what happens when a normal-sized star dies. ... The
star's gravity causes it to collapse, and then it explodes into a supernova. What's
Death of a star can happen in many ways depending on the type of stars you are
talking about. ... Stars with mass less than or equal to the mass of our Sun usually
"die" a peaceful death. By peaceful I mean that when they have burned all of ...
This causes them to be bright in the sky and burn hot. Eventually, stars run out of
hydrogen and the star begins to die. When this happens, the helium begins ...
Most stars take millions of years to die. When a star like the Sun has burned all of
its hydrogen fuel, it expands to become a red giant. This may be millions of ...
Why Do Stars Burn and What Happens When They Die? ... to helium, and to
some heavier elements, it takes more and more heat to cause the nuclear fusion.