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Download Protostar A nebula is a region of gas and dust in space. Over time
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Transcript
- 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 original form of a star THE PROCESS IN WHICH GRAVITY COMPRESSES THE PROTOSTAR AND THE GASES IGNITE FORMING A 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! RED GIANT SUPERGIANT • Middle – aged star • Smaller mass than Supergiant • Middle – aged star • High mass • Death is a Dwarf star • Becomes a Supernova • Death is a Blackhole
