ESS
Grade-9
Easy

Question

___________is the outer atmosphere of Sun.

  1. Core
  2. Corona
  3. Radiation zone
  4. Convection zone

hintHint:

Corona

The correct answer is: Corona


    • The corona is the outer atmosphere of the Sun. 
    • So, the correct option is b.

    • Core is the innermost portion of star(sun or planet).
    • A radiation zone, or radiative region is inner layer of a solar interior.
    • The convection zone is the outer-most layer of the solar interior.