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LIFE CYCLE OF STARS

LIFE CYCLE OF STARS. PROTOSTAR. Region of gas and dust create a nebula Gravity causes the gas and dust to condense creating a protostar The prefix “proto” means first or original A proto star is the original form of a star. FUSION IGNITION.

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LIFE CYCLE OF STARS

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  1. LIFE CYCLE OF STARS

  2. PROTOSTAR • Region of gas and dust create a nebula • Gravity causes the gas and dust to condense creating a protostar • The prefix “proto” means first or original • A protostar is the originalform of a star

  3. FUSION IGNITION THE PROCESS IN WHICH GRAVITY COMPRESSES THE PROTOSTAR AND THE GASES IGNITE FORMING A STAR!

  4. MAIN SEQUENCE STAR • After the process of FUSION IGNITION the MAIN SEQUENCE star is formed! • A young star • Our sun is a Main Sequence star! • Can burn for 50 million years before entering old age when its fuel runs out!

  5. MAIN SEQUENCE STAR CAN BECOME EITHER… RED GIANT SUPERGIANT Middle – aged star High mass Becomes a Supernova Death is a Blackhole • Middle – aged star • Smaller mass than Supergiant • Death is a Dwarf star

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