After the Core of a Massive Star Becomes a Neutron

question 27

Multiple Choice

After the core of a massive star becomes a neutron star, the rest of the star's material

• A) falls inward very slowly, taking billions of years to get really compressed
• B) makes a planetary nebula, which gently moves outward from the center
• C) is vaporized by the incredible heat of the dying star and evaporates
• D) explodes outward as a supernova
• E) continues regular fusion and returns to the main sequence

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