Science

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Across
  1. 2. A spacecraft with wings; designed to transport astronauts between Earth and orbiting space station
  2. 3. The region between Mars and Jupiter where most of the asteroids are found.
  3. 4. National Aeronautics and Space Administration
  4. 7. A system of millions or billions of stars, together with gas and dust, held together by gravitational attraction.
  5. 9. The force of attraction between all masses in the universe.
  6. 10. A dark, cooler region on the surface of the sun
  7. 11. A ball of ice and dust whose orbit is a long narrow ellipse
  8. 13. The name given to the first 4 outer planets; Jupiter, Saturn, Uranus, and Neptune.
  9. 14. Any of the 8 large celestial bodies in the solar system that revolve around the sun and shine by reflected light
Down
  1. 1. Streak of light/Meteoroid that has hit Earth's surface/A chunk of rock or dust in space
  2. 2. An orbiting space laboratory on which people could live and work for several years
  3. 5. An explosion of hydrogen gas from the sun's surface that occurs when loops in sunspot regions suddenly connect
  4. 6. Any vehicle self-propelled by a rocket engine
  5. 8. Objects revolving around the sun that are too small to be considered planets
  6. 12. An elongated circle, or oval shape; the shape of the planet's orbit