THE UNIVERSE - 1

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Across
  1. 2. Vast surrounding space including Earth and other heavenly bodies
  2. 4. Only planet that can sustain life
  3. 5. Main mass of the Sun
  4. 7. Branch of science that deals with the study of heavenly bodies.
  5. 9. Objects that twinkle at night and continuously emit heat and light
  6. 12. Scientists who study about heavenly bodies
  7. 15. Distance travelled by light in one year.
  8. 16. Emit their own light
Down
  1. 1. Used to see distant stars
  2. 3. Bodies that revolve around the planets
  3. 5. Layer of the Sun below the Corona
  4. 6. Elliptical path along which the planets revolve
  5. 8. Surface of the Sun
  6. 10. Outermost layer of the Sun
  7. 11. Objects that appear to shine with a steady light and do not twinkle
  8. 13. Star located at the centre of the Solar System
  9. 14. Dwarf planet