Ch12 Investigating space

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Across
  1. 2. Small bodies which orbit the sun in elongated elliptical orbits; they usually have long glowing tails.
  2. 4. Pieces of rock or metal from space that crash into planets or moons
  3. 5. Similar to a planet, but smaller, and shares its orbital space with other bodies of a similar size (two words)
  4. 9. An astronomical unit that is used to measure the huge distances between stars; it is the distance light travels in one year (two years)
  5. 10. An exploding star, much brighter than a normal star
  6. 11. A large group of stars that is separated from other similar groups by empty space
Down
  1. 1. The path followed by the Sun, planets and the constellations of the zodiac in their apparent movement across the sky
  2. 3. A group of stars that forms an unchanging pattern in the sky
  3. 6. Tiny chunks of metallic rock found orbiting the sun in a wide belt between Mars and Jupiter
  4. 7. Small fast-moving objects from space that burn up in the Earth's atmosphere
  5. 8. A huge mass of dust and gas in space remaining after a supernova