Ch 8-11
Across
- 6. a planet whose orbit lies in the outer part of the Solar System. Jupiter, Saturn, Uranus, and Neptune are outer planets.
- 7. a small, generally rocky, solid body orbiting the Sun and ranging in diameter from a few meters to hundreds of kilometers.
- 8. cloud a vast region in which comet nuclei orbit. This cloud lies far beyond the orbit of Neptune.
Down
- 1. an object that orbits the Sun and is massive enough that its gravity compresses it into an approximately spherical shape
- 2. a planet orbiting in the inner part of the Solar System. Sometimes taken to mean Mercury, Venus, Earth, and Mars.
- 3. the Sun, planets, their moons, and other bodies that orbit the Sun.
- 4. belt a region between the orbits of Mars and Jupiter in which most of the Solar System’s asteroids are located.
- 5. a small body in orbit around the Sun, consisting of a tiny, icy core and a tail of gas and dust.