Across
- 1. is the amount of matter present in an object.
- 4. is the most massive planet in the solar system.
- 5. is a dwarf planet located in the asteroid belt.
- 6. is a loose ball of ice and rock that usually has a long, narrow orbit around the sun
- 9. is a small, mostly rocky or metallic body that orbits the sun in the inner solar system.
- 11. is an object that orbits the sun and has enough gravity to be round but has not cleared the area of its orbit.
Down
- 1. When a meteoroid enters Earth’s atmosphere in a streak of light, it is called a.
- 2. is a region beyond Neptune’s orbit extending 30 to 50 AU from the sun.
- 3. is the distance from the sun to the center of Earth.
- 6. refers to what makes up an object or a material.
- 7. observed the effects of gravity on Earth as well as on the motions of objects in the solar system.
- 8. governs the motion of all objects in the solar system.
- 10. is an average-sized star, composed of helium and hydrogen, at the center of the solar system.