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What kind of star explodes in a type Ia supernova?

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  1. A massive star's iron core
  2. A white dwarf in a binary system
  3. An isolated neutron star

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References

  1. Astronomy 2e, 23.5 The Evolution of Binary Star Systems openstax.org/books/astronomy-2e/pages/23-5-the-evolution-of-binary-star-systems Checked 2026-10-10.
  2. NASA Science, Type Ia Supernovae science.nasa.gov/mission/roman-space-telescope/type-ia-supernovae Checked 2026-10-10.

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