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📖 Chapter 5 of 6 · How the Sun Says Goodbye · All ages

What's left: a white dwarf

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Once the outer layers drift away, all that remains is the Sun's small, super dense core — packed tight, roughly the size of Earth. This glowing leftover is called a white dwarf.

It's incredibly hot at first, but it has no fuel left to burn.

STAGE 6

All chapters in How the Sun Says Goodbye

  1. The Sun runs low on fuel
  2. The Sun swells into a red giant
  3. The far planets are left alone
  4. A gentle puff, not a blast
  5. What's left: a white dwarf
  6. Cooling into a black dwarf