Question

What are the three end stages of star?

Answer 1

The expanding star is now called a Red Giant. Stage 8 - The helium core runs out, and the outer layers drift of away from the core as a gaseous shell, this gas that surrounds the core is called a PlanetaryNebula. Stage 9 - The remaining core (thats 80% of the original star) is now in its final stages.

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Answer 2

Here is your answer ⤵⤵⤵

✳ Red Giant Star - The biggest stars go on swelling into supergiants. Pressure at the centre becomes so immense that carbon & silicon fuse to make iron.

✳ Supergiant- Once iron forms in its centre, the star fails to give off energy, & suddenly & catastrophically collapses.

✳ Supernova- The collapse of a supernova triggers an explosion like a huge nuclear bomb, called a supernova.

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