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The Life Cycle of a Massive Star
An article about Astronomy & Deep Space
Refer to the HR Diagram (Hertzsprung-Russell Diagram) (Characteristics of Stars chart) page 15 of the Earth Science Reference Tables
The formation of a very massive star (blue super giant)
- “Dust”, also known as nebulae, (the accumulation of dust and gases) comes together under the force of gravity to form a PROTOSTAR.
- The star is very massive, very hot, high energy, not stable, and “wants” to become stable (these stars will change most rapidly).
- The star undergoes a number of reactions where hydrogen is fused into helium (fusion occurs). (Since the star is not very stable, it remains on the main sequence for a short amount of time.)
- Eventually, the star will begin to pulse (the core collapses on itself several times).
- The core explodes outwards in a violent shockwave known as a SUPERNOVA and collapses to form a BLACK HOLE (star collapses on itself). This takes a short amount of time (millions of years).
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