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