Space Crossword

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Across
  1. 3. - A massive, luminous sphere of plasma held together by gravity
  2. 5. - A small rocky body orbiting the sun, mainly found in the asteroid belt
  3. 7. - A celestial object consisting of a nucleus of ice and dust that, when near the sun, displays a visible atmosphere and sometimes a tail
  4. 11. - A force that attracts a body towards the center of the earth, or towards any other physical body having mass
  5. 12. - A region of space having a gravitational field so intense that no matter or radiation can escape
  6. 14. - A powerful and luminous stellar explosion
  7. 16. - An instrument used to observe distant objects by collecting electromagnetic radiation
  8. 17. - A small body of matter from outer space that enters the earth's atmosphere, appearing as a streak of light
  9. 18. - A natural satellite orbiting a planet
  10. 19. - An interstellar cloud of dust, hydrogen, helium, and other ionized gases
  11. 21. - The gravitationally curved path of an object around a point in space
  12. 24. - An artificial or natural body that revolves around a planet
  13. 25. - A celestial body orbiting a star, like Earth around the Sun
Down
  1. 1. - The Sun and all the objects that are bound to it by gravity
  2. 2. - A large, bowl-shaped cavity on the surface of a planet or moon, typically caused by an explosion or the impact of a meteorite
  3. 4. - The galaxy that contains our Solar System
  4. 6. - All of space and time and their contents, including planets, stars, galaxies, and other forms of matter and energy
  5. 8. - A vast collection of stars, gas, and dust held together by gravity
  6. 9. - The distance that light travels in one year, used to measure astronomical distances
  7. 10. - A group of stars forming a recognizable pattern
  8. 13. - The branch of astronomy concerned with the physical nature of stars and other celestial bodies
  9. 15. - A planet that orbits a star outside our solar system
  10. 20. - The universe seen as a well-ordered whole
  11. 22. - An event in which the shadow of one celestial body falls on another
  12. 23. - The band of colors, as seen in a rainbow, produced by separation of the components of light by their different degrees of refraction