Space

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Across
  1. 1. Our galaxy that contains over 200 billion stars.
  2. 4. The force that pulls objects towards each other.
  3. 6. A place in space where the pull of gravity is so strong not even light can get out.
  4. 7. A small body of matter from outer space that enters Earth’s atmosphere and appears like a streak of light.
  5. 10. Small, rocky objects that orbit the Sun.
Down
  1. 2. A person trained to travel in a spacecraft.
  2. 3. The area of air and gas that envelopes the Earth and other astronomical objects.
  3. 5. A huge collection of gas, dust and billions of stars and their solar systems held together by gravity.
  4. 8. When one celestial body blocks light from reaching another by moving between it and its light source.
  5. 9. objects made out of frozen gasses, rock and dust that orbit the sun.