7 Science: Space

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Across
  1. 2. The path an object follows around another object.
  2. 6. A large celestial body orbiting a star.
  3. 7. A rocky object orbiting the Sun.
  4. 8. An object that orbits a planet.
  5. 12. A tool to observe distant space objects.
  6. 13. The distance light travels in a year.
  7. 15. An icy body that releases gas and dust.
  8. 17. The Sun and all objects that orbit it.
  9. 19. A collection of stars, gas, and dust bound by gravity.
Down
  1. 1. A cloud of gas and dust where stars form.
  2. 3. Everything that exists, including galaxies and space.
  3. 4. A region in space with gravity so strong that nothing escapes.
  4. 5. A meteor that reaches Earth’s surface.
  5. 9. A scientist who studies space.
  6. 10. When one celestial body blocks another.
  7. 11. A space rock that burns up in Earth’s atmosphere.
  8. 14. The force that pulls objects toward each other.
  9. 16. A natural satellite orbiting a planet.
  10. 18. A massive ball of gas undergoing nuclear fusion.