Galaxy crosswords

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Across
  1. 2. is a yellow dwarf star, a hot ball of glowing gases.
  2. 3. an astronomical object consisting of a luminous spheroid of plasma held together by its own gravity.
  3. 5. is the fourth planet from the Sun.
  4. 6. This can happen when a star is dying. Because no light can get out, people can't see them.
  5. 10. is the planet we live on.
  6. 12. a powerful explosion that happens when the star is on the last stage.
  7. 13. a celestial body that makes an orbit around a planet.
  8. 14. is a huge collection of gas, dust, and billions of stars.
Down
  1. 1. the biggest planet in our solar system.
  2. 3. A tiny speck of space debris burning up as it enters the earth atmosphere.
  3. 4. rocky, airless remnants left over from the early formation of our solar system.
  4. 5. Is the galaxy that contains our Solar System.
  5. 7. a theory which tells how the universe was created.
  6. 8. when one object in space blocks another from view.
  7. 9. The sixth planet in our solar system.
  8. 11. One is named Fobos and the other is named Deimos.