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Stellar Evolution

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Emily McGrath

on 16 January 2014

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Transcript of Stellar Evolution

Stellar Evolution
Ch. 29 sec. 3

Star Formation
Next, the cloud contracts and takes on the shape of a disk. At the center is hot, condensed object called a
Star Formation
As the temperature inside the protostar increase, it eventually gets hot enough for nuclear fusion to begin.
Life Cycle
Life Cycle
Supernova formation:
Core is too massive to be supported by electron pressure
Once Fe is created, no further reactions can take place & star violently collapses on itself
Eventually, the core stops collapsing and becomes a collapsed star remnant, or
neutron star
Life Cycle
Some neutron stars pulsating patterns of light, this type of star is called a

A massive explose occurs as material & gas fall in on the neutron star and strike the hard surface. The entire outer portion of the star is blown off in this

If the core of a star continues to collapse, a small extremely dense object that remains is a
black hole
First, a cloud of interstellar gas & dust, called a
, collapses on itself as a result of its own gravity.
Star Formation
Full transcript