Exploring Space

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Across
  1. 5. A satellite that is visible at night by reflection of the Sun.
  2. 10. When the star explodes powerfully and luminously.
  3. 11. The home of everything, Including all existing matters and even outer space
  4. 12. An area of space that has a very intense gravitational field.
  5. 13. An expert who studies astronomy.
  6. 14. A band of light that's made up of numerous faint stars.
  7. 15. A celestial body that moves in an orbit around the Sun.
Down
  1. 1. A celestial body that's made up of ice and dust.
  2. 2. A luminous, point light you can see at night along with other stars.
  3. 3. Stars that burns up completely before landing.
  4. 4. When two atoms collieds to form a heavier atom.
  5. 6. The largest star in which the earth orbits.
  6. 7. A small and rocky planet orbiting the sun.
  7. 8. The home of eight planets,the stars, the Moon,and the Sun.
  8. 9. A system home to billions of stars.