Across
- 4. Mercury,Venus,Earth,Mars
- 6. A natural force of attraction exerted by a celestial body on the mass of objects that are on or near the surface
- 8. consists of planets and their moons, comets, meteoroids, and asteroids that all orbit the sun
- 9. The streak of light that is seen when a space rock enters the planet's atmosphere.
- 10. Io,Europa,Callisto,Ganymede
Down
- 1. Jupiter,Saturn,Neptune,Uranus
- 2. The name of the galaxy we live in
- 3. A celestial body moving in an elliptical orbit around a star
- 5. A hot ball of gas, with hydrogen fusing into helium (sun)
- 7. objects made of ice, gas, and dust that orbit our sun