Space

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Across
  1. 2. vast collection of stars, gas, dust, and dark matter bound together by gravity.
  2. 4. Hole/A region in space where gravity is so strong that nothing, not even light, can escape from it.
  3. 6. System/The Sun and all the objects that orbit it, including planets, moons, asteroids, and comets.
  4. 7. person trained to travel and work in space.
  5. 9. celestial object composed of ice, dust, and gas that orbits the Sun and develops a bright tail when near it.
  6. 10. small celestial object that enters the Earth's atmosphere, producing a streak of light (meteoroid) or landing on the Earth's surface (meteorite).
Down
  1. 1. man-made object placed in orbit around a planet or star, often for communication or scientific purposes.
  2. 3. luminous celestial object that shines in the night sky.
  3. 5. large celestial body that orbits a star, such as Earth or Mars.
  4. 8. cloud of gas and dust in space, often where new stars are born.