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Star Life Cycle
Transcript of Star Life Cycle
Main Sequence Stars
Main Sequence Stars
Gigantic Clouds of dust and gas.
Where all stars are created
A "Star Nursery"
When the contracting cloud burns so hot that nuclear fusion begins
Stage where most of stars spend their lifetime.
Our sun is a medium sized main sequence.
When a stars fuel begins to run out, the center shrinks and the outside expands
Eventually the outside will drift into space
What is left of the core of a red giant
Made of pure carbon
About the size of Earth, but the density of one teaspoon would be as much as an elephant
Stars that are between 1.5 to 3 times the mass of the sun
Gives red color because the layers have expanded, producing the same amount of energy over a larger space
Cooler than blue or white
Gravity wins in the core and the collapses in an explosion
An explosion of a massive star at the end of the stars life
The mass of the star at this point will determine which way it will go on the star cycle.
Star at least 1.5 but less than 9 times greater than the sun.
Core after a supernova made up of only neutrons
Star at least 9 times greater than the sun
Core collapses into an extremely dense area with a strong gravitational pull that light can not escape