Verified Answer :

It's D. Dark spot......................

Answer;

D. Dark spot

Explanation;

  • The parts of a star includes the core, radiative and convective zones, photosphere, chromosphere and corona.
  • Corona is the outermost part of the star that extends for million miles into the space.
  • Photosphere is a part of the star outside the stellar zones, where visible light is emitted.
  • Radiative zone is a layer of the star outside the core where energy is transported by radiation.
  • Chromosphere is a layer outside photosphere. In the sun this layer is red colored from an abundance of hydrogen gas.
  • Therefore, in our question, Dark matter is not a layer or a part of a star.

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